Pleurotomas

1 definition found

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

  Pleurotoma \Pleu*rot"o*ma\, n.; pl. L. {Pleurotom[ae]}, E.
     {Pleurotomas}. [NL., fr. Gr. ? the side + tomh` a cut.]
     (Zool.)
     Any marine gastropod belonging to {Pleurotoma}, and ether
     allied genera of the family {Pleurotmid[ae]}. The species are
     very numerous, especially in tropical seas. The outer lip has


     usually a posterior notch or slit.
     [1913 Webster]