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