pug1Pronunciation: /pʌg/Translate pug | into Italian Definition of pug noun 1 (also pug dog) a dog of a dwarf breed like a bulldog with a broad flat nose and deeply wrinkled face. 2a small, slender moth which rests with its wings stretched out to the sides. Eupithecia and other genera, family Geometridae Derivatives puggish adjective puggy adjective Origin: mid 18th century: perhaps of Low German originpug in other Oxford dictionaries Definition of pug in the US English dictionary