preopercle

noun pre·opercle \(¦)prē+\
variants: less commonly

preoperculum

Definition of preopercle

plural

preopercles

also

preopercula

  1. :  a flat membrane bone in the gill cover of most fishes lying immediately in front of the opercle

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Origin and Etymology of preopercle

New Latin preoperculum, from pre- + operculum


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a rounded knoll or a ridge of ice

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