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.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.