operculum
Pronunciation: /ə(ʊ)ˈpəːkjʊləm/
Definition of operculum
noun ( plural opercula /-lə/)
Zoology & Botany- technical term for gill cover.
Derivatives
- adjective
- combining form
Pronunciation: /-lət/
adjective
Origin:
early 18th century: from Latin, literally 'lid, covering', from operire 'to cover'