Source : Webster's Revised Unabridged Dictionary (1913)

Branchiura \Bran"chi*u"ra\, n. pl. [NL., fr., Gr. ? gill + ?
   tail.] (Zo["o]l.)
   A group of Entomostraca, with suctorial mouths, including
   species parasitic on fishes, as the carp lice ({Argulus}).

Source : WordNet®

Branchiura
     n : copepods with suctorial mouthparts; parasitic on fishes
         [syn: {order Branchiura}]