'Epitheca' definitions:

Definition of 'Epitheca'

From: GCIDE

Epitheca \Ep`i*the"ca\, n. [NL., fr. Gr. 'epi` upon + ? a case, box, fr. ? to place.] (Zo["o]l.) A continuous and, usually, structureless layer which covers more or less of the exterior of many corals. [1913 Webster]