a. [ NL. Sipunculus, the typical genus + -oid. ] (Zool.) Pertaining to the Sipunculoidea. -- n. One of the Sipunculoidea. [ 1913 Webster ]
‖n. pl. [ NL. ] (Zool.) (a) Same as Gephyrea. (b) In a restricted sense, same as Sipunculacea. [ 1913 Webster ]