The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of various large carnivorous saurischian dinosaurs of the suborder Theropoda of the Jurassic and Cretaceous periods, characterized by bipedal locomotion, large jaws, and short forelimbs.
n. Any large, bipedal dinosaur, of the suborder Theropoda, from the Jurassic and Cretaceous periods.
The Century Dictionary and Cyclopedia
Having feet like those of (mammalian) beasts, as a dinosaur; of or pertaining to the Theropoda.
n. A carnivorous dinosaur of the order Theropoda.
n. Also theriopod, and (erroneously) therapod.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs
Word Usage
"Also, we have another tiny, new dinosaur, the smallest carnivorous yet known from North America, Hesperonychus elizabethae, a 19-inch tall theropod from the Late Cretaceous of Alberta, Canada."