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Noun: operculum (opercula)  ow'purkyulum
  1. 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

Derived forms: opercula

See also: operculated

Type of: plate

Encyclopedia: Operculum

Nearest

operations
operations research
operative
operative field
operatively
operator
operator gene
opercular
operculate
operculated
operculum
operetta
operon
operose
operoseness
Opheodrys
Opheodrys aestivus
Opheodrys vernalis
Ophidia
ophidian
Ophidiidae