A ram; a pile-driving engine.
单词 | θ212420 |
释义 | society > occupation and work > equipment > driving or beating tools > [noun] > pile-drivers (11) wilkin1495 A ram; a pile-driving engine. rammer1538 A piledriver. gin1682 A machine used for driving piles; esp. one in which a weight is repeatedly raised to a height and dropped on the pile. Obsolete. pile engine1754 = piledriver, n. 1a. piling engine1763 a machine for driving piles into the ground. piledriver1766 A machine for driving piles into the ground, usually consisting of a heavy weight which is repeatedly raised and dropped on to the pile-head. ringing engine1837 a form of piledriver worked by people pulling on ropes in a similar way to bell-ringers. postdriver1857 (a) an implement for driving in posts or piles; = piledriver, n.; (b) U.S. = stake-driver n. at stake, n.1 compounds 2. Subcategories:— parts of (1) — weight of (2) |
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