The Collaborative International Dictionary of English v.0.48:

Theropoda \The*rop"o*da\, n. pl. [NL., fr. Gr. qh`r a beast + ?,
   ?, foot.] (Paleon.)
   An order of carnivorous dinosaurs in which the feet are less
   birdlike, and hence more like those of an ordinary quadruped,
   than in the Ornithopoda. It includes the rapacious genera
   Megalosaurus, Creosaurus, and their allies.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Theropoda
    n 1: carnivorous saurischian dinosaurs with short forelimbs;
         Jurassic and Cretaceous [syn: Theropoda, suborder
         Theropoda]