Pina \Pi`[~n]a\, n. [Sp., orig., pineapple, pine cone.] 1. (a) The pineapple. (b) Pi[~n]a cloth or the fiber of which it is made.
2. Also
Source: Webster's Revised Unabridged Dictionary (1913)
Pina \Pi"na\ (pron. also ?). (Metal.) A cone of silver amalgam prepared for retorting; also, the residuary cone of spongy silver left after the retorting.