spring pointn.

Brit.

/ˈsprɪŋ pɔɪnt/, U.S.

/ˈsprɪŋ ˌpɔɪnt/

Forms: see spring n.¹ and point n.¹

Origin: Formed within English, by compounding. Etymons: spring n.¹, point n.¹

Etymology: < spring n.¹ + point n.¹In astronomical use (see sense 1) probably after post-classical Latin punctum vernale (1520 or earlier); compare French point vernal (early 19th cent. or earlier) and German Frühlingspunkt (late 18th cent. or earlier).

1. The spring equinox; the point on the ecliptic occupied by the sun at this time. rare.

ΘΚΠ

the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > ecliptic > cardinal points > equinoctial point

equinoxc1400

equinoctial?a1475

principal point1591

spring point1599

spring equinox1601

1599 T. Hill Schoole of Skil ii. 76 The sun entring the beginning of Aries, or the spring poynt of the crossing of the Zodiacke and Equinoctiall, in the beginning of the spring.

?a1933 C. G. Jung & M. Foote in Visions Seminars (1976) II. ix. 304 This sacrifice at the Spring point, the time of the vernal equinox, is symbolic; it is the time of the vernal cross.

2012 W. D. Storl Herbal Lore Wise Women & Wortcunners iii. 125 This spring point gradually moves forward, changing to a new sign [of the zodiac] every two thousand years.

2. A point (in various senses, see point n.¹ 21) which is operated or moved into position by means of a spring or springs; esp. (in a railway) a catch point (catch point n.) which is forced open by a spring once any train travelling in the correct direction has passed over it.

ΘΚΠ

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

spring point1757

catch point1873

stub-switch1885

trap-point1885

trailing points1889

1757 J. Robertson Treat. Math. Instruments (ed. 2) 3 (heading) To use the spring point.

1888 C. T. Jacobi Printers' Vocab. 130 Spring points, these are a special kind of press points which assist in throwing the sheet off the spur of the point as printed.

1906 Street Railway Jrnl. 29 July 160/2 Several wrecks which occurred to cars attempting to pass over facing spring points at high speed, one truck taking the switch and the other taking the main line.

1975 G. M. Kichenside & A. Williams Brit. Railway Signalling (ed. 3) viii. 101 He..must himself make sure that catch points or spring points are properly secured for safe passage before passing through them.

2010 U.S. Patent 7,770,986 B1 2 By properly placing the spring points, a secondary effect is to hold the drawer open when it is in the down position, and help close it when in the up position.

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

单词	spring point
释义	spring pointn. Brit. /ˈsprɪŋ pɔɪnt/, U.S. /ˈsprɪŋ ˌpɔɪnt/ Forms: see spring n.¹ and point n.¹ Origin: Formed within English, by compounding. Etymons: spring n.¹, point n.¹ Etymology: < spring n.¹ + point n.¹In astronomical use (see sense 1) probably after post-classical Latin punctum vernale (1520 or earlier); compare French point vernal (early 19th cent. or earlier) and German Frühlingspunkt (late 18th cent. or earlier). 1. The spring equinox; the point on the ecliptic occupied by the sun at this time. rare. ΘΚΠ the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > ecliptic > cardinal points > equinoctial point equinoxc1400 equinoctial?a1475 principal point1591 spring point1599 spring equinox1601 1599 T. Hill Schoole of Skil ii. 76 The sun entring the beginning of Aries, or the spring poynt of the crossing of the Zodiacke and Equinoctiall, in the beginning of the spring. ?a1933 C. G. Jung & M. Foote in Visions Seminars (1976) II. ix. 304 This sacrifice at the Spring point, the time of the vernal equinox, is symbolic; it is the time of the vernal cross. 2012 W. D. Storl Herbal Lore Wise Women & Wortcunners iii. 125 This spring point gradually moves forward, changing to a new sign [of the zodiac] every two thousand years. 2. A point (in various senses, see point n.¹ 21) which is operated or moved into position by means of a spring or springs; esp. (in a railway) a catch point (catch point n.) which is forced open by a spring once any train travelling in the correct direction has passed over it. ΘΚΠ society > travel > rail travel > railway system or organization > [noun] > track > points > types of spring point1757 catch point1873 stub-switch1885 trap-point1885 trailing points1889 1757 J. Robertson Treat. Math. Instruments (ed. 2) 3 (heading) To use the spring point. 1888 C. T. Jacobi Printers' Vocab. 130 Spring points, these are a special kind of press points which assist in throwing the sheet off the spur of the point as printed. 1906 Street Railway Jrnl. 29 July 160/2 Several wrecks which occurred to cars attempting to pass over facing spring points at high speed, one truck taking the switch and the other taking the main line. 1975 G. M. Kichenside & A. Williams Brit. Railway Signalling (ed. 3) viii. 101 He..must himself make sure that catch points or spring points are properly secured for safe passage before passing through them. 2010 U.S. Patent 7,770,986 B1 2 By properly placing the spring points, a secondary effect is to hold the drawer open when it is in the down position, and help close it when in the up position. This entry has been updated (OED Third Edition, September 2017; most recently modified version published online March 2022). < n.1599
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