'Foramen' definitions:
Definition of 'foramen'
From: WordNet
noun
A natural opening or perforation through a bone or a membranous structure [syn: foramen, hiatus]
Definition of 'Foramen'
From: GCIDE
- Foramen \Fo*ra"men\, n.; pl. L. Foramina, E. Foramines. [L., fr. forare to bore, pierce.] A small opening, perforation, or orifice; a fenestra. [1913 Webster]
- Foramen of Monro (Anat.), the opening from each lateral into the third ventricle of the brain.
- Foramen of Winslow (Anat.), the opening connecting the sac of the omentum with the general cavity of the peritoneum. [1913 Webster]