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The Collaborative International Dictionary of English v.0.48 (gcide)

Tap \Tap\, v. i.
To strike a gentle blow.
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Tap \Tap\, n. [AS. t[ae]ppa, akin to D. tap, G. zapfen, OHG.
zapfo, Dan. tap, Sw. tapp, Icel. tappi. Cf. {Tampion},
{Tip}.]
1. A hole or pipe through which liquor is drawn.
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2. A plug or spile for stopping a hole pierced in a cask, or
the like; a faucet.
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3. Liquor drawn through a tap; hence, a certain kind or
quality of liquor; as, a liquor of the same tap. [Colloq.]
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4. A place where liquor is drawn for drinking; a taproom; a
bar. [Colloq.]
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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.
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{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. See Illust.
under {Bolt}.

{Tap cinder} (Metal.), the slag of a puddling furnace.
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Tap \Tap\, v. t. [imp. & p. p. {Tapped}; p. pr. & vb. n.
{Tapping}.] [F. taper to strike; of Teutonic origin; cf.
dial. G. tapp, tapps, a blow, tappe a paw, fist, G. tappen to
grope.]
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.
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2. To put a new sole or heel on; as, to tap shoes.
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Tap \Tap\, n. [Cf. F. tape. See {Tap} to strike.]
1. A gentle or slight blow; a light rap; a pat. --Addison.
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2. A piece of leather fastened upon the bottom of a boot or
shoe in repairing or renewing the sole or heel.
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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.
--Wilhelm.
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Tap \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.
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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.
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3. To draw, or cause to flow, by piercing. --Shak.
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He has been tapping his liquors. --Addison.
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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.
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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.
[PJC]


Faucet \Fau"cet\, n. [F. fausset, perh. fr. L. fauces throat.]
1. A fixture for drawing a liquid, as water, molasses, oil,
etc., from a pipe, cask, or other vessel, in such
quantities as may be desired; -- called also {tap}, and
{cock}. It consists of a tubular spout, stopped with a
movable plug, spigot, valve, or slide.
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2. The enlarged end of a section of pipe which receives the
spigot end of the next section.
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