OPERCLE


Meaning of OPERCLE in English

ōˈpərkəl, ˈōpər- noun

( -s )

Etymology: Latin operculum cover — more at operculum

: operculum ; specifically : the upper posterior and usually the largest bone of the operculum of a fish

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.