Co*mat"u*la (?; 135), n. [NL., fr. L. comatulus having hair neatly curled, dim. fr. coma hair.] Zool.
A crinoid of the genus Antedon and related genera. When young they are fixed by a stem. When adult they become detached and cling to seaweeds, etc., by their dorsal cirri; -- called also feather stars.
© Webster 1913.