| 单词 | gunner's quadrant |
| 释义 | > as lemmasgunner's quadrant gunner's quadrant n. (see quadrant n.1). ΘΚΠ society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > equipment for use with firearms > [noun] > measuring instruments gunner's quadrant1628 gunner's scale1628 gunner's rule1692 side scale1745 1628 R. Norton Gunner xxxii. 95 The Gunners Quadrant. 1692 Smith's Sea-mans Gram. (new ed.) ii. iii. 92 A Gunner's Quadrant to level, elevate, or depress his Gun. 1898 Notes & Queries 15 Oct. 309/2 The ‘gunner's quadrant’ was a quadrant with a ruler attached and also a plumb-line; the end of the ruler was inserted in the muzzle of the gun, and the plumb-line cutting the lines on the quadrant marked the proper degrees of elevation. < as lemmas |
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