Source : Webster's Revised Unabridged Dictionary (1913)

Acetabulifera \Ac`e*tab`u*lif"e*ra\, n. pl. [NL. See
   {Acetabuliferous}.] (Zo["o]l.)
   The division of Cephalopoda in which the arms are furnished
   with cup-shaped suckers, as the cuttlefishes, squids, and
   octopus; the Dibranchiata. See {Cephalopoda}.