'Paxillus' definitions:

Definition of 'Paxillus'

From: GCIDE

Paxillus \Pax*il"lus\, n.; pl. Paxilli. [L., a peg.] (Zool.) One of a peculiar kind of spines covering the surface of certain starfishes. They are pillarlike, with a flattened summit which is covered with minute spinules or granules. See Illustration in Appendix. [1913 Webster]