pter·o·pod (t r  -p d )n. Any of various small marine gastropod mollusks of the subclass Opisthobranchia that have winglike lobes on the feet. Also called sea butterfly. [From New Latin Pteropoda, order name : Greek pteron, feather, wing; see -pter + New Latin -poda, -pod.] pter o·pod adj.pte·rop o·dan (t-rp-dn) adj. & n. |
pteropod [ˈtɛrəˌpɒd]
n
(Life Sciences & Allied Applications / Animals) 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-walled Also called sea butterfly
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