WordReference Random House Unabridged Dictionary of American English © 2026
ra•men•tum
(rə men′təm),USA pronunciation n., pl. -ta (-tə).USA pronunciation
- a scraping, shaving, or particle.
- Botanyone of the thin, chafflike scales covering the shoots or leaves of certain ferns.
- *rādmentum, equivalent. to rād(ere) to scrape + -mentum -ment
- Latin rāmentum a shaving, shred
- 1655–65