A system of interconnecting cavities. ... Origin: L. Concameratio, a vault; fr. Concamero, pp. -atus, to vault over, fr. Camera, a vault ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
Con·cam`er·a'tion (-ā'shŭn) noun [ Latin concameratio .] 1. An arch or vault. 2. A chamber of a multilocular shell. Glanvill. Found on http://www.encyclo.co.uk/webster/C/125