Foramen

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]

From WordNet (r) 2.0 [wn]:

  foramen
       n : a natural opening or perforation through a bone or a
           membranous structure [syn: {hiatus}]
       [also: {foramina} (pl)]