| 释义 |
push·er
\ˈpu̇shə(r)\ noun
(-s)
Etymology: push (I) + -er
1. : one that pushes
< ate using a piece of bread as a pusher >
as
a.
(1) : a machine part or implement for pushing something
< a cuticle pusher >
(2) : a machine with parts having a thrusting action
(3) : a watchmaker's tool used in a staking set to push friction jewels in place
(4) : a soft metal rod used to insert or eject bushings
(5) : a hard-pointed tool used to remove case pins, lugs, or bars
(6) : a button on top of a watch crown or on the side of a watchcase for activating the hands of a chronograph or stopwatch
(7) : a slide on the edge of a watchcase for releasing an internal action
b.
(1) : an aggressive person
< stiff competition from a real pusher >
especially : a very aggressive salesman
(2) : an illicit peddler of narcotics
c.
(1) : an auxiliary locomotive used behind a train on steep grades
(2) : push boat
d. : the foreman of a crew of workers : straw boss
e. : a miner who pushes loaded cars to the place from which they will be hauled to the shaft or surface by locomotive — called also headsman, putter, trailer, trammer, wheeler
f. : plunger
2. : a chamois toe sock worn by a track athlete
3.
a. : an airplane with the propeller located behind the wing — compare tractor
b. or pusher engine : a piston engine with the propeller mounted behind |