Sea Butterfly Definition
noun
Any of various small marine gastropod mollusks of the orders Thecosomata and Gymnosomata, having a pair of winglike extensions of the foot that are used for swimming.
American Heritage
A pteropod.
Wiktionary
Other Word Forms of Sea Butterfly
Noun
Singular:
sea butterfly
Plural:
sea-butterfliesFind Similar Words
Find similar words to sea butterfly using the buttons below.