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operculum
(redirected from opercularly)

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
o·per·cu·lum  (-pûrky-lm)
n. pl. o·per·cu·la (-l) or o·per·cu·lums
A lid or flap covering an aperture, such as the gill cover in some fishes or the horny shell cover in snails or other mollusks.

[Latin, lid, from operre, to cover; see wer-4 in Indo-European roots.]

o·percu·lar (-lr) adj.
o·percu·lar·ly adv.

operculum [oh-perk-yew-lum, -la]
Noun
pl -la -lums a covering flap or lidlike structure in animals or plants [Latin: lid]

operculum  (-pûrky-lm)
Plural opercula or operculums
A lid or flap covering an opening, such as the gill cover in some fish or the horny flap covering the opening of a snail.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.operculumoperculum - a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted
plate - any flat platelike body structure or part


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