| 释义 |
pump log U.S.
A hollowed log used in the construction of a pump or as a water-pipe. Also in Comb. as pump-log borer (see quot.).
1816N. Amer. Rev. III. 429 He declared also, that the mill for grinding apples, which is an overshot and is fed by a pump log..would often stop during the day. 1858D. K. Bennett Chronol. N. Carolina 108 He had some men repairing pump-logs, through which water was carried from the mountain side to his hotel. 1879F. R. Stockton Rudder Grange xvi. 235 He looked like he'd been drawn through a pump-log. 1965E. Tunis Colonial Craftsmen iii. 40 Such a one was the pump-log borer—his trade seems to have no generic name—who made wooden pumps and wooden pipes by boring holes lengthwise through logs. |