sup·pos·i·to·ry 
(sə-pŏzĭ-tôr′ē)
(sə-pŏzĭ-tôr′ē)n. pl. sup·pos·i·to·ries
A small plug of medication designed to melt at body temperature within a body cavity other than the mouth, especially the rectum or vagina. Also called bougie.
[Middle English, from Old French suppositorie, from Medieval Latin suppositōrium, from Late Latin, neuter of suppositōrius, placed under, from Latin suppositus, past participle of suppōnere, to put under; see SUPPOSE.]