n. 1 (in full pug-dog) a a dwarf breed of dog like a bulldog with a broad flat nose and deeply wrinkled face. b a dog of this breed. 2 a fox. 3 Brit. a small locomotive for shunting etc. pug-nose a short squat or snub nose. pug-nosed having such a nose. puggish adj. puggy adj.
[ 16th c.: perh. f. LG or Du. ]