sea butterfly

English

Noun

sea butterfly (plural sea butterflies)

1. A small pelagic sea snail of the suborder Thecosomata.
   • 2012, Caspar Henderson, The Book of Barely Imagined Beings, Granta Books, published 2013, page 284:

     Sea butterflies are pteropods: sea snails that swim by flapping pad-like ‘feet’ which have grown into wings.

Translations

Thecosomata

• German: Seeschmetterling m
• Icelandic: vængjasnigill (is) m
• Navajo: tąądee naʼałkǫ́ʼii