'Clione papilonacea' definitions:

Definition of 'Clione papilonacea'

From: GCIDE

Clione \Cli*o"ne\, n. A genus of naked pteropods. One species ({Clione papilonacea}), abundant in the Arctic Ocean, constitutes a part of the food of the Greenland whale. It is sometimes incorrectly called Clio. [1913 Webster]