| 单词 | crab-pot valve |
| 释义 | > as lemmascrab-pot valve crab-pot n. (a) a trap for crabs, a basket or frame of wickerwork so constructed that crabs can readily enter but cannot get out again; (b) (also crab-pot valve) (in airships) a fabric valve with a sleeve which could be closed like a crab-pot. ΘΚΠ the world > food and drink > hunting > fishing > fishing-tackle > fish-trap > [noun] > for lobsters or crabs lobster-pot1765 crab-pot1793 trap-creel1795 trunk1835 lobster-creel1853 lobster-trap1865 stick pot1887 partan cage1899 society > travel > air or space travel > a means of conveyance through the air > balloons and airships > [noun] > valve ripping valve1900 crab-pot1918 1793 J. Smeaton Narr. Edystone Lighthouse (ed. 2) §264 They..disengaged the layers of cork..and cut them to pieces for their Crab-pots and Seines. 1862 D. T. Ansted & R. G. Latham Channel Islands ii. viii. 180 The rope made from it is especially valuable for crab pots. 1918 W. E. Dommett Dict. Aircraft 16 Crab-pot, a fabric valve used for controlling the inlet of air to the ballonets of a non-rigid airship. 1950 Gloss. Aeronaut. Terms (B.S.I.) i. 53 Crabpot valve, a special type of fabric sleeve the operation of which is controlled by a hand-line. < as lemmas |
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