Source : Webster's Revised Unabridged Dictionary (1913)

Isopoda \I*sop"o*da\, n. pl. [NL. See {Iso-}, and {-poda}.]
   (Zo["o]l.)
   An order of sessile-eyed Crustacea, usually having seven
   pairs of legs, which are all similar in structure.

   Note: The body is usually depressed, with the abdominal
         segments short, and often consolidated in part. The
         branchi[ae] are on the abdominal appendages. The group
         includes the terrestrial pill bugs and sow bugs, with
         numerous marine forms. See {Arthrostrata}, {Gribble}.

Source : WordNet®

Isopoda
     n : woodlice [syn: {order Isopoda}]