onatabu Binghamónatabun. portion of a coral flat slightly raised.a. slightly raised as a portion of a coral flat.Sabatieronatabun. cloister, place prohibited.a. cloistered, reserved, prohibited.vt. onatabua: to enclose, to cloister, to confine, to put in prohibited place, to forbid entrance to... Topics: Shells and sea creatures Words that link heretabu taboo, forbidden, sacred. ← onaonaonatabuki →