The Collaborative International Dictionary
Covercle
Covercle \Cov"er*cle\ (k?v"?r-k'l), n. [OF. covercle, F.
couvercle, fr. L. co["o]perculum fr. co["o]perire. See
cover]
A small cover; a lid. [Obs.]
--Sir T. Browne.
Wiktionary
covercle
n. (context obsolete English) A small cover; a lid.