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noun Tap n. 1.A gentle or slight blow; a light rap; a pat. 2.A piece of leather fastened upon the bottom of a boot or shoe in repairing or renewing the sole or heel. 3.pl. (Mil.) A signal, by drum or trumpet, for extinguishing all lights in soldiers' quarters and retiring to bed, usually given about a quarter of an hour after tattoo.
Tap n. 1.A hole or pipe through which liquor is drawn. 2.A plug or spile for stopping a hole pierced in a cask, or the like; a faucet. 3.Liquor drawn through a tap; hence, a certain kind or quality of liquor; as, a liquor of the same tap. (Colloq.) 4.A place where liquor is drawn for drinking; a taproom; a bar. (Colloq.) 5.(Mech.) A tool for forming an internal screw, as in a nut, consisting of a hardened steel male screw grooved longitudinally so as to have cutting edges. On tap. (a)Ready to be drawn; as, ale on tap. (b)Broached, or furnished with a tap; as, a barrel on tap. Plug tap (Mech.), a screw-cutting tap with a slightly tapering end. Tap bolt, a bolt with a head on one end and a thread on the other end, to be screwed into some fixed part, instead of passing through the part and receiving a nut. Tap cinder (Metal.), the slag of a puddling furnace.
verb Tap v. t. (past & past part. tapped; pres. part. tapping) 1.To strike with a slight or gentle blow; to touch gently; to rap lightly; to pat; as, to tap one with the hand or a cane. 2.To put a new sole or heel on; as, to tap shoes.
Tap v. t. 1.To pierce so as to let out, or draw off, a fluid; as, to tap a cask, a tree, a tumor, a keg of beer, etc. 2.Hence, to draw resources from (a reservoir) in any analogous way; as, to tap someone's knowledge of the Unix system; to tap the treasury. 3.To draw, or cause to flow, by piercing. "He has been tapping his liquors." 4.(Mech.) To form an internal screw in (anything) by means of a tool called a tap; as, to tap a nut, a pipe, or tubing. 5.To connect a listening device to (a telephone or telegraph line) secretly, for the purpose of hearing private conversations; also, to obtain or record (information) by tapping; a technique used by law enforcement agencies investigating suspected criminals. In the United States it is illegal without a court order permitting it.
Tap v. i. To strike a gentle blow.
Collaborative International Dictionary of English 0.48
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