Nephrostome

1 definition found

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

  Nephrostome \Neph"ro*stome\, n. [Gr. nefro`s a kidney + sto`ma
     mouth.] (Zool. & Anat.)
     The funnel-shaped opening of a nephridium into the body
     cavity.
     [1913 Webster]