Avicula

1 definition found

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

  Avicula \A*vic"u*la\, n. [L., small bird.] (Zool.)
     A genus of marine bivalves, having a pearly interior, allied
     to the pearl oyster; -- so called from a supposed resemblance
     of the typical species to a bird.
     [1913 Webster]