belonging or pertaining to the Pteropoda, a group of mollusks having the lateral portions of the foot expanded into winglike lobes used in swimming.


a pteropod mollusk.

Origin of pteropod

1825–35; < New Latin Pteropoda (plural); see ptero-, -pod Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pteropod

Historical Examples of pteropod

  • An attempt I made at fishing with the net failed entirely—a pteropod (Clio borealis) and a few crustacea were the whole result.

    Farthest North

    Fridtjof Nansen

  • In almost all Gasteropod and Pteropod larv there is present a well-developed spindle muscle attaching the embryo to the shell.

British Dictionary definitions for pteropod



any small marine gastropod mollusc of the group or order Pteropoda, in which the foot is expanded into two winglike lobes for swimming and the shell is absent or thin-walledAlso called: sea butterfly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012