Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. cătŭlīnus, a. um, adj. [catulus], of or pertaining to a little dog, dog’s-: caro, Plaut. ap. Paul. ex Fest. p. 45 Müll.; and absol.: cătŭlīna, ae, f. (sc. caro), the flesh of the dog, Plin. 29, 4, 14, § 58.
2. Cătŭlīnus, a, um, adj., of Q. Lutatius Catulus, Plin. 34, 8, 19, § 17 Sill. N. cr.