1. A small medicated or flavored tablet; a troche. 2. A tablet containing aromatic substances that is burned to fumigate or deodorize the air. 3. A pastel paste or crayon.
ETYMOLOGY:
French, from Spanish pastilla, perfume pellet, and Italian pastillo, pastille, both from Latin pstillus, little loaf, medicine tablet, diminutive of pnis, bread. See p- in Appendix I.