\Fang\ (f[a^]ng), v. t. [OE. fangen, fongen, fon (g orig.
only in p. p. and imp. tense), AS. f[=o]n; akin to D. vangen,
OHG. f[=a]han, G. fahen, fangen, Icel. f[=a], Sw. f[*a],
f[*a]nga, Dan. fange, faae, Goth. fahan, and prob. to E.
fair, peace, pact. Cf. {Fair}, a.]
1. To catch; to seize, as with the teeth; to lay hold of; to
   gripe; to clutch. [Obs.] --Shak.
         He's in the law's clutches; you see he's fanged.
                                               --J. Webster.
2. To enable to catch or tear; to furnish with fangs.
   ``Chariots fanged with scythes.'' --Philips.

\Fang\, n. [From {Fang}, v. t.; cf. AS. fang a taking,
booty, G. fang.]
1. (Zo["o]l.) The tusk of an animal, by which the prey is
   seized and held or torn; a long pointed tooth; esp., one
   of the usually erectile, venomous teeth of serpents. Also,
   one of the falcers of a spider.
         Since I am a dog, beware my fangs.    --Shak.
2. Any shoot or other thing by which hold is taken.
         The protuberant fangs of the yucca.   --Evelyn.
3. (Anat.) The root, or one of the branches of the root, of a
   tooth. See {Tooth}.
4. (Mining) A niche in the side of an adit or shaft, for an
   air course. --Knight.
5. (Mech.) A projecting tooth or prong, as in a part of a
   lock, or the plate of a belt clamp, or the end of a tool,
   as a chisel, where it enters the handle.
6. (Naut.)
   (a) The valve of a pump box.
   (b) A bend or loop of a rope.
{In a fang}, fast entangled.
{To lose the fang}, said of a pump when the water has gone
   out; hence:
{To fang a pump}, to supply it with the water necessary to
   make it operate. [Scot.]