1. A free-swimming or free-living crinoid (marine echinoderm), especially one of the family Comatulidae.
Usage: zoology; technical

1. Of, relating to, or belonging to the family Comatulidae of crinoids.
Usage: zoology; technical

Examples

• The comatulid gracefully moved through the ocean currents using its feathery arms.
• Comatulid specimens were collected from the deep-sea research expedition.
• Unlike stalked crinoids, comatulid crinoids are mobile and can swim.
• The comatulid family includes some of the most colorful echinoderms in the ocean.
• Marine biologists studied the comatulid's feeding behavior in its natural habitat.