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(), n.[Akin to D. plug, G. pflock, Dan. plk, plug, Sw. plugg; cf. W. ploc.] 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. 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. Plug n. 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. スポンサード リンク
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