ep·i·car·id I. \|epə|karə̇d\adjective orep·i·car·i·dan\-rədən\ Etymology:epicarid from New Latin Epicaridea; epicaridan from New Latin Epicaridea + English -an : of or relating to the Epicaridea II. noun orepicaridan\“\ (-s) : a crustacean of the suborder Epicaridea