Dibranchiata

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Dibranchiata \Di*bran`chi*a"ta\, n. pl. [NL., fr. Gr. di- =
     di`s- twice + ? gills.] (Zool.)
     An order of cephalopods which includes those with two gills,
     an apparatus for emitting an inky fluid, and either eight or
     ten cephalic arms bearing suckers or hooks, as the octopi and
     squids. See {Cephalopoda}.


     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  Dibranchiata
       n : comprising all living cephalopods except the family
           Nautilidae: the orders Octopoda (octopuses) and Decapoda
           (squids and cuttlefish) [syn: {subclass Dibranchiata}, {Dibranchia},
            {subclass Dibranchia}]