'Brachiolaria' definitions:

Definition of 'Brachiolaria'

From: GCIDE

Brachiolaria \Brach`i*o*la"ri*a\, n. pl. [NL., fr. L. brachiolum (bracch-), dim. of brachium (bracch-) arm.] (Zool.) A peculiar early larval stage of certain starfishes, having a bilateral structure, and swimming by means of bands of vibrating cilia. [1913 Webster]