spring-jackn.

Brit.

/ˈsprɪŋdʒak/, U.S.

/ˈsprɪŋˌdʒæk/

Origin: Formed within English, by compounding. Etymons: spring n.¹, Jack n.²; spring v.¹, Jack n.²

Etymology: Partly < spring n.¹ + Jack n.², and partly < spring v.¹ + Jack n.² With sense 2 compare earlier skipjack n. 5, and also springing beetle n. at springing adj. Compounds, spring beetle n.¹

1. A jack (Jack n.², in various senses) that operates by means of or is equipped with a spring or springs.

ΘΚΠ

society > occupation and work > equipment > lifting or hoisting equipment > [noun] > jacks

screw1404

scalet1640

German devil1670

Jack1679

screw jack1719

spring-jack1724

jackscrew?1735

crick1775

fence-jack1874

swing-jack1875

wagon-jack1875

windlass-jack1875

truck-jack1877

setter1895

1724 C. Morris Diary 30 Oct. (1934) 112 John Bird fitted a Sprin [g] -Jack for my Harpsichord.

1794 W. Felton Treat. Carriages I. 94 Spring Jack. Fig. 11. This is a small engine fixed to the bottom of the spring... Its use is to heighten or lower the body.

1845 J. Bregion & A. Miller Pract. Cook 8 There is also a convenient and cheap apparatus for roasting, combining a screen or reflector, with a dripping-pan, hot-closet underneath for plates and dishes, having a spring jack which roasts horizontally.

1885 U.S. Patent 321,390 A 1/2 Switches of this character designed for use upon telephone switch-boards are now generally called ‘spring-jack switches’, or, briefly, ‘jacks’.

1937 Pop. Mech. Apr. 639/2 For holding an oil pan in place while starting the bolts, this spring jack is handy.

2013 U.S. Patent Applic. 2013/0217280 A1 1/2 Hydraulic circuit A is used..to control spring jack operation via hydraulic actuators.

2. A beetle belonging to the family Elateridae; a click beetle (click beetle n. at click n.¹ and int. Compounds 3a). Now rare.

ΚΠ

1836 C. F. Partington Brit. Cycl. Nat. Hist. II. 396/1 These insects have obtained the name of skip, or spring-jacks.

1892 Culture Veg. & Flowers (Sutton & Sons) (ed. 5) 395 There are fully a dozen species of beetles, the larvæ of which are known as ‘Wireworms,’ and of these the ‘Spring-Jacks’ and ‘Click-Beetles’ and ‘Blacksmiths’..are the most prevalent.

1957 D. Dewar Transformist Illusion xviii. 249 Another example is the jumping apparatus of the click-beetle or spring-jack Agriotes.

This entry has been updated (OED Third Edition, September 2017; most recently modified version published online March 2022).

单词	spring-jack
释义	spring-jackn. Brit. /ˈsprɪŋdʒak/, U.S. /ˈsprɪŋˌdʒæk/ Origin: Formed within English, by compounding. Etymons: spring n.¹, Jack n.²; spring v.¹, Jack n.² Etymology: Partly < spring n.¹ + Jack n.², and partly < spring v.¹ + Jack n.² With sense 2 compare earlier skipjack n. 5, and also springing beetle n. at springing adj. Compounds, spring beetle n.¹ 1. A jack (Jack n.², in various senses) that operates by means of or is equipped with a spring or springs. ΘΚΠ society > occupation and work > equipment > lifting or hoisting equipment > [noun] > jacks screw1404 scalet1640 German devil1670 Jack1679 screw jack1719 spring-jack1724 jackscrew?1735 crick1775 fence-jack1874 swing-jack1875 wagon-jack1875 windlass-jack1875 truck-jack1877 setter1895 1724 C. Morris Diary 30 Oct. (1934) 112 John Bird fitted a Sprin [g] -Jack for my Harpsichord. 1794 W. Felton Treat. Carriages I. 94 Spring Jack. Fig. 11. This is a small engine fixed to the bottom of the spring... Its use is to heighten or lower the body. 1794 W. Felton Treat. Carriages I. 94 Spring Jack. Fig. 11. This is a small engine fixed to the bottom of the spring... Its use is to heighten or lower the body. 1845 J. Bregion & A. Miller Pract. Cook 8 There is also a convenient and cheap apparatus for roasting, combining a screen or reflector, with a dripping-pan, hot-closet underneath for plates and dishes, having a spring jack which roasts horizontally. 1885 U.S. Patent 321,390 A 1/2 Switches of this character designed for use upon telephone switch-boards are now generally called ‘spring-jack switches’, or, briefly, ‘jacks’. 1937 Pop. Mech. Apr. 639/2 For holding an oil pan in place while starting the bolts, this spring jack is handy. 2013 U.S. Patent Applic. 2013/0217280 A1 1/2 Hydraulic circuit A is used..to control spring jack operation via hydraulic actuators. 2. A beetle belonging to the family Elateridae; a click beetle (click beetle n. at click n.¹ and int. Compounds 3a). Now rare. ΚΠ 1836 C. F. Partington Brit. Cycl. Nat. Hist. II. 396/1 These insects have obtained the name of skip, or spring-jacks. 1892 Culture Veg. & Flowers (Sutton & Sons) (ed. 5) 395 There are fully a dozen species of beetles, the larvæ of which are known as ‘Wireworms,’ and of these the ‘Spring-Jacks’ and ‘Click-Beetles’ and ‘Blacksmiths’..are the most prevalent. 1957 D. Dewar Transformist Illusion xviii. 249 Another example is the jumping apparatus of the click-beetle or spring-jack Agriotes. This entry has been updated (OED Third Edition, September 2017; most recently modified version published online March 2022). < n.1724
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