plug /ˈpləg/ 名詞
1. Any piece of wood, metal, or other substance used to stop or fill a hole; a stopple.
2. A flat oblong cake of pressed tobacco. [U. S.]
3. A high, tapering silk hat. [Slang, U.S.]
4. A worthless horse. [Slang, U.S.]
5. Building A block of wood let into a wall, to afford a hold for nails.
Breech plug Gun., in breech-loading guns, the metal plug or cylinder which closes the aperture in the breech, through which the gun is loaded.
Fire plug, a street hydrant to which hose may be attached. [U. S.]
Hawse plug Naut., a plug to stop a hawse hole.
Plug and feather. Stone Working See Feather, n., 7.
Plug centerbit, a centerbit ending in a small cylinder instead of a point, so as to follow and enlarge a hole previously made, or to form a counterbore around it.
Plug rod Steam Eng. , a rod attached to the beam for working the valves, as in the Cornish engine.
Plug valve Mech., a tapering valve, which turns in a case like the plug of a faucet.
Plug v. t. [imp. & p. p. Plugged p. pr. & vb. n. Plugging ] To stop with a plug; to make tight by stopping a hole.
n 1: blockage consisting of an object designed to fill a hole
tightly [syn: stopper, stopple]
2: a wad of something chewable as tobacco [syn: chew, chaw,
cud, quid, wad]
3: blatant or sensational promotion [syn: ballyhoo, hoopla,
4: electrical device that fits into the cylinder head of an
internal-combustion engine and ignites the gas by means of
an electric spark [syn: spark plug, sparking plug]
5: an electrical device with two or three pins that is inserted
in a socket to make an electrical connection [syn: male
6: an upright hydrant for drawing water to use in fighting a
fire [syn: fireplug, fire hydrant]
7: an old or over-worked horse [syn: hack, jade, nag]
v 1: fill or close tightly with or as if with a plug; "plug the
hole"; "stop up the leak" [syn: stop up, secure]
2: persist in working hard; "Students must plug away at this
problem" [syn: plug away]
3: deliver a quick blow to; "he punched me in the stomach"
4: make a plug for; praise the qualities or in order to sell or
[also: plugging, plugged]