Prong \Prong\, n. [Cf. D. prangen to pinch, press, LG. prange a stick, or W. procio to thrust, E. prowl, pang.]

1. A sharp-pointed instrument.

Prick it on a prong of iron. --Sandys.

2. The tine of a fork, or of a similar instrument; as, a fork of two or three prongs.

3. (Zo["o]l.)
   (a) A sharp projection, as of an antler.
   (b) The fang of a tooth.

Source: Webster's Revised Unabridged Dictionary (1913)