Add to Chrome


Operculum is a 9 letter word which starts with the letter O and ends with the letter M for which we found 5 definitions.

(n.) The lid of a pitcherform leaf.
(n.) The lid of the urnlike capsule of mosses.
(n.) Any lidlike or operculiform process or part; as the opercula of a dental follicle.
(n.) The fold of integument usually supported by bony plates which protects the gills of most fishes and some amphibians; the gill cover; the gill lid.
(n.) The principal opercular bone in the upper and posterior part of the gill cover.
Words by number of letters: