| 单词 | mortar-bed |
| 释义 | > as lemmasmortar-bed mortar-bed n. (a) the part of a gun carriage on which the mortar rests (now rare); †(b) the bed on which the ore is crushed in a stamp mill (obsolete). ΘΚΠ society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > gun carriage > [noun] > base for gun flask1578 bed1598 bed-bolster1769 mortar-bed1769 sweep1837 swing-bed1842 saddle1848 stool-bed1859 mount1888 1769 W. Falconer Universal Dict. Marine sig. Cc4 The middle..is bent..to embrace the trunnions, and keep them fast in the mortar-bed. 1811 Duke of Wellington Dispatches (1837) VII. 569 Have the carriages of the 24 pounders, as well as the mortar beds and howitzer carriages..put in a state to be fit for service. 1874 R. W. Raymond Statistics Mines & Mining 353 The mortar-beds constitute a series of inclined terraces,..and the pulp passing through the screens of one battery is discharged immediately into the one next in front. 1875 E. H. Knight Pract. Dict. Mech. Prise-bolts, the projecting bolts at the rear of a mortar-bed or garrison gun-carriage. < as lemmas |
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