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单词 semaphore
释义

semaphore

[ sem-uh-fawr, -fohr ]
/ ˈsɛm əˌfɔr, -ˌfoʊr /
SEE SYNONYMS FOR semaphore ON THESAURUS.COM

noun

an apparatus for conveying information by means of visual signals, as a light whose position may be changed.
any of various devices for signaling by changing the position of a light, flag, etc.
a system of signaling, especially a system by which a special flag is held in each hand and various positions of the arms indicate specific letters, numbers, etc.

verb (used with or without object), sem·a·phored, sem·a·phor·ing.

to signal by semaphore or by some system of flags.

Origin of semaphore

First recorded in 1810–20; from French sémaphore, from Greek sêma “sign”; see -phore

OTHER WORDS FROM semaphore

sem·a·phor·ic [sem-uh-fawr-ik, -for-], /ˌsɛm əˈfɔr ɪk, -ˈfɒr-/, sem·a·phor·i·cal, adjectivesem·a·phor·i·cal·ly, adverb

Words nearby semaphore

semantic field, semantic memory, semantics, semantic tableau, semantic Web, semaphore, Semarang, semasiology, sematic, sematology, semblable
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for semaphore

British Dictionary definitions for semaphore

semaphore
/ (ˈsɛməˌfɔː) /

noun

an apparatus for conveying information by means of visual signals, as with movable arms or railway signals, flags, etc
a system of signalling by holding a flag in each hand and moving the arms to designated positions to denote each letter of the alphabet

verb

to signal (information) by means of semaphore

Derived forms of semaphore

semaphoric (ˌsɛməˈfɒrɪk) or semaphorical, adjectivesemaphorically, adverb

Word Origin for semaphore

C19: via French, from Greek sēma a signal + -phore
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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更新时间:2025/1/24 1:00:59