foramen Meaning, Definition & Usage

  1. noun a natural opening or perforation through a bone or a membranous structure
    hiatus.

WordNet

Fo*ra"men noun
Etymology
L., fr. forare to bore, pierce.
Wordforms
plural L Foramina E Foramines
Definitions
  1. A small opening, perforation, or orifice; a fenestra.

Webster 1913