| 释义 |
ˈpump-tree
A length of tree-trunk used as the body or stock of a hand-pump, or as a water-pipe; the stock, barrel, or cylinder of a pump.
1617in Earwaker Sandbach (1890) 136 Item a Levill and a staffe vjd..pumptree vs. 1725Bradley's Fam. Dict. s.v. Pump, The Pump-Tree, which is that Part that stands more above the Earth, or Top of the Well. 1829R. Stuart Anecd. Steam Engines I. 306 Employed..for boring the wooden pipes or pumptrees, used to convey water. 1842Civil Eng. & Arch. Jrnl. V. 352/2 In Cornwall the cast iron pump-trees exposed to the action of mine water were very speedily destroyed. |