Slit-shell

1 definition found

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

  slit-shell \slit"-shell`\ (sl[i^]t"sh[e^]l`), n. (Zool.)
     Any species of {Pleurotomaria}, a genus of beautiful, pearly,
     spiral gastropod shells having a deep slit in the outer lip.
     Many fossil species are known, and a few living ones are
     found in deep water in tropical seas.
     [1913 Webster]