n.
Pronunciation: ' in-v ə - ˌ lü-k ə r
Function: noun
Etymology: French, from New Latin involucrum
Date: 1785
: one or more whorls of bracts situated below and close to a flower, flower cluster, or fruit
– in · vo · lu · cral \ ˌ in-v ə - ' lü-kr ə l \ adjective
– in · vo · lu · crate \ -kr ə t, - ˌ kr ā t \ adjective