Endotheca \En`do*the"ca\, n. [NL., from Gr. 'e`ndon within +
qh`kh a case, box, fr. ? to place.] (Zo["o]l.)
The tissue which partially fills the interior of the
interseptal chambers of most madreporarian corals. It usually
consists of a series of oblique tranverse septa, one above
another. -- {En`do*the"cal}, a.
[1913 Webster]