Helicotrema

1 definition found

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

  Helicotrema \Hel`i*co"tre"ma\, n. [NL., fr. Gr. "e`lix,
     "e`likos, a helix + ? a hole.] (Anat.)
     The opening by which the two scal[ae] communicate at the top
     of the cochlea of the ear.
     [1913 Webster]