'Troche' definitions:

Definition of 'troche'

noun

A medicated lozenge used to soothe the throat [syn: cough drop, troche, pastille, pastil]

From: GCIDE

Troche \Tro"che\ (tr[=o]"k[=e]), n. [Gr. trocho`s anything round or circular, a wheel, properly, a runner, fr. tre`chein to run. Cf. Trochee.] (Pharm.) A medicinal tablet or lozenge; strictly, one of circular form. [1913 Webster] [1913 Webster]

From: GCIDE

Tablet \Ta"blet\, n. [F. tablette, dim. of table. See Table.]
1. A small table or flat surface. [1913 Webster]
2. A flat piece of any material on which to write, paint, draw, or engrave; also, such a piece containing an inscription or a picture. [1913 Webster]
3. Hence, a small picture; a miniature. [Obs.] [1913 Webster]
4. pl. A kind of pocket memorandum book. [1913 Webster]
5. A flattish cake or piece; as, tablets of arsenic were formerly worn as a preservative against the plague. [1913 Webster]
6. (Pharm.) A solid kind of electuary or confection, commonly made of dry ingredients with sugar, and usually formed into little flat squares; -- called also lozenge, and troche, especially when of a round or rounded form. [1913 Webster]