(|)prē+ noun
also pre·operculum | ̷ ̷+
( plural preopercles also preopercula )
Etymology: New Latin preoperculum, from pre- + operculum
: a flat membrane bone in the gill cover of most fishes lying immediately in front of the opercle
(|)prē+ noun
also pre·operculum | ̷ ̷+
( plural preopercles also preopercula )
Etymology: New Latin preoperculum, from pre- + operculum
: a flat membrane bone in the gill cover of most fishes lying immediately in front of the opercle
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012