semaphore signaln.

Brit.

/ˈsɛməfɔː ˌsɪɡnl/, U.S.

/ˈsɛməˌfɔr ˌsɪɡn(ə)l/

Origin: Formed within English, by compounding. Etymons: semaphore n., signal n.

Etymology: < semaphore n. + signal n.

1. = semaphore n. 1.

ΘΚΠ

society > communication > indication > signalling > visual signalling > semaphore > [noun] > apparatus

telegraph1793

tellograph1796

semaphore1815

semaphore signal1826

shutter-telegraph1859

bell-telegrapha1877

1826 C. Waldron Pract. Hints Better Navigation Steam Vessels 94 A new semaphore signal is now erected on the top of the old victualling house store..for the purpose of communicating with the shipping.

1870 Law Jrnl. Rep. 39 Duties Magistrates132/2 The clerk heard the prisoner walk along the platform towards the semaphore signal and rattle the levers.

2012 B. Le Vay Ben Le Vay's Eccentric London (ed. 3) xiii. 177 That the Telegraph pub at Roehampton wasn't named after the electric telegraph is clear from the pub sign, showing semaphore signals.

2. Railways. A signal consisting of a pivoted arm that can be in either of two positions, depending on the message to be conveyed. Now chiefly historical, having been largely replaced by electric colour light signals.In railway signalling, a horizontal arm generally indicates danger, stop, caution, or the like; an arm angled upwards or downwards indicates clear, proceed.

ΘΚΠ

society > travel > rail travel > railway system or organization > [noun] > types of signal system > types of signal

switch-signal1838

semaphore signal1845

distance signal1848

home signal1857

block signal1864

dwarf signal1870

distant signal1874

switch-lantern1875

distant1881

spectacle1881

switch-lamp1898

banjo1902

peg1911

1845 Mechanics' Mag. 25 Oct. 286 (table) Semaphore signals for railways.

1871 Gen. Rep. Accidents Railways 1870 in Parl. Papers (C. 294) 20/1 The cross-over road points required to be worked in connection with the starting semaphore signals.

1906 Pop. Mech. June 621/2 It gives clear, caution and danger indications the same as the disc or semaphore signals.

1957 New Scientist 12 Dec. 9/3 Multi-aspect colour light signalling gives better traffic control but is as easily ignored by a driver as ordinary semaphore signals.

1994 Daily Tel. 12 Aug. 15/2 He will control it with three semaphore signals—the Distant, Home and Starter. If there is no reason to stop it, he pulls three levers to set each to ‘Go’.

2012 Steam Days May 301/2 If any of these were struck or cut by falling rocks, dual-direction semaphore signals, normally at ‘clear’.., immediately reverted to ‘danger’.

3. A signal conveyed by or as by semaphore; spec. each of a set of signals that can be represented by the position of a person's two outstretched arms, typically holding a flag in each. Also figurative.Sometimes used to refer to other forms of signalling, such as flashing lights or the use of flags.

ΘΚΠ

society > communication > indication > signalling > visual signalling > semaphore > [noun]

semaphore1911

semaphore signal1919

1919 Pop. Sci. Feb. 83/1 Semaphore signals, as these flag signals are officially called, are used when telegraph, telephone, or wireless lines are not available.

1942 Boys' Life Aug. 20/2 Turning somersault under water..and sticking one foot out instead of your head, and making semaphore signals or dancing grotesquely with both feet to an appreciative audience.

1945 Flying Mag. May 59 (caption) This is the semaphore signal for the letter ‘R’.

1959 P. Marler in P. R. Bell Darwin's Biol. Work iv. 160 (caption) The males display in this fashion before the female by semaphore signals with the palps or forelegs.

1962 R. Leckie Strong Men Armed 72 He was waving his arms, making semaphore signals.

1974 R. A. Caro Power Broker iv. xvii. 308 Yardarms and halyards decorated with long rows of bright semaphore signals.

1999 S. Broadhurst Liminal Acts iv. 88 A black clad figure darts out, making semaphore signals with a pair of flashlights.

2013 A. Rawsthorn Hello World viii. 134 It consists of a circle enclosing two diagonal lines and one vertical, which represent the semaphore signals for the letters ‘N’ in ‘nuclear’ and ‘D’ in ‘disarmament’.

This is a new entry (OED Third Edition, March 2014; most recently modified version published online March 2022).

单词	semaphore signal
释义	semaphore signaln. Brit. /ˈsɛməfɔː ˌsɪɡnl/, U.S. /ˈsɛməˌfɔr ˌsɪɡn(ə)l/ Origin: Formed within English, by compounding. Etymons: semaphore n., signal n. Etymology: < semaphore n. + signal n. 1. = semaphore n. 1. ΘΚΠ society > communication > indication > signalling > visual signalling > semaphore > [noun] > apparatus telegraph1793 tellograph1796 semaphore1815 semaphore signal1826 shutter-telegraph1859 bell-telegrapha1877 1826 C. Waldron Pract. Hints Better Navigation Steam Vessels 94 A new semaphore signal is now erected on the top of the old victualling house store..for the purpose of communicating with the shipping. 1870 Law Jrnl. Rep. 39 Duties Magistrates132/2 The clerk heard the prisoner walk along the platform towards the semaphore signal and rattle the levers. 2012 B. Le Vay Ben Le Vay's Eccentric London (ed. 3) xiii. 177 That the Telegraph pub at Roehampton wasn't named after the electric telegraph is clear from the pub sign, showing semaphore signals. 2. Railways. A signal consisting of a pivoted arm that can be in either of two positions, depending on the message to be conveyed. Now chiefly historical, having been largely replaced by electric colour light signals.In railway signalling, a horizontal arm generally indicates danger, stop, caution, or the like; an arm angled upwards or downwards indicates clear, proceed. ΘΚΠ society > travel > rail travel > railway system or organization > [noun] > types of signal system > types of signal switch-signal1838 semaphore signal1845 distance signal1848 home signal1857 block signal1864 dwarf signal1870 distant signal1874 switch-lantern1875 distant1881 spectacle1881 switch-lamp1898 banjo1902 peg1911 1845 Mechanics' Mag. 25 Oct. 286 (table) Semaphore signals for railways. 1871 Gen. Rep. Accidents Railways 1870 in Parl. Papers (C. 294) 20/1 The cross-over road points required to be worked in connection with the starting semaphore signals. 1906 Pop. Mech. June 621/2 It gives clear, caution and danger indications the same as the disc or semaphore signals. 1957 New Scientist 12 Dec. 9/3 Multi-aspect colour light signalling gives better traffic control but is as easily ignored by a driver as ordinary semaphore signals. 1994 Daily Tel. 12 Aug. 15/2 He will control it with three semaphore signals—the Distant, Home and Starter. If there is no reason to stop it, he pulls three levers to set each to ‘Go’. 2012 Steam Days May 301/2 If any of these were struck or cut by falling rocks, dual-direction semaphore signals, normally at ‘clear’.., immediately reverted to ‘danger’. 3. A signal conveyed by or as by semaphore; spec. each of a set of signals that can be represented by the position of a person's two outstretched arms, typically holding a flag in each. Also figurative.Sometimes used to refer to other forms of signalling, such as flashing lights or the use of flags. ΘΚΠ society > communication > indication > signalling > visual signalling > semaphore > [noun] semaphore1911 semaphore signal1919 1919 Pop. Sci. Feb. 83/1 Semaphore signals, as these flag signals are officially called, are used when telegraph, telephone, or wireless lines are not available. 1942 Boys' Life Aug. 20/2 Turning somersault under water..and sticking one foot out instead of your head, and making semaphore signals or dancing grotesquely with both feet to an appreciative audience. 1945 Flying Mag. May 59 (caption) This is the semaphore signal for the letter ‘R’. 1959 P. Marler in P. R. Bell Darwin's Biol. Work iv. 160 (caption) The males display in this fashion before the female by semaphore signals with the palps or forelegs. 1962 R. Leckie Strong Men Armed 72 He was waving his arms, making semaphore signals. 1974 R. A. Caro Power Broker iv. xvii. 308 Yardarms and halyards decorated with long rows of bright semaphore signals. 1999 S. Broadhurst Liminal Acts iv. 88 A black clad figure darts out, making semaphore signals with a pair of flashlights. 2013 A. Rawsthorn Hello World viii. 134 It consists of a circle enclosing two diagonal lines and one vertical, which represent the semaphore signals for the letters ‘N’ in ‘nuclear’ and ‘D’ in ‘disarmament’. This is a new entry (OED Third Edition, March 2014; most recently modified version published online March 2022). < n.1826
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