Webster's Revised Unabridged Dictionary · 1913

Fang

Fang (fang) , transitive verb

[Old English fangen, fongen, fon (g orig. only in p. p. and imp. tense), Anglo-Saxon fōn; akin to Dutch vangen, Old High German fāhan, German fahen, fangen, Icelandic , Swedish , fånga, Danish fange, faae, Gothic fahan, and prob. to English fair, peace, pact. Compare Fair, a.]

1.
To catch; to seize, as with the teeth; to lay hold of; to gripe; to clutch. [Obsolete] — Shakespeare
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 , noun

[From Fang, transitive verb; compare Anglo-Saxon fang a taking, booty, German fang.]

1.
(Zoology) 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. — Shakespeare
2.
Any shoot or other thing by which hold is taken.
The protuberant fangs of the yucca. — Evelyn
3.
(Anatomy) 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.
(Mechanics) 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.
(a) (Nautical) The valve of a pump box.
(b)
(Nautical) A bend or loop of a rope.
Collocations (3)
In a fang , fast entangled.
To lose the fang , said of a pump when the water has gone out
To fang a pump , to supply it with the water necessary to make it operate. [Scottish]