- dibranchiate⇄adj. belonging to a group of cephalopods, having two gills, eight or ten arms with suckers, and an ink sac containing a fluid useful for protection and escape.
- dibranchiate⇄dibranchiate, adjective, noun.
- dibranchiate⇄noun a dibranchiate cephalopod, such as the squid, octopus, or cuttlefish.