Eschara

·noun A genus of Bryozoa which produce delicate corals, often incrusting like lichens, but sometimes branched.

eschara
eschăra, ae, f., = ἐσχάρα. I The base or pedestal of a military engine , Vitr. 10, 17, 20.— II ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.