The Collaborative International Dictionary
Pig-jawed
Pig-jawed \Pig"-jawed`\, a. (Zo["o]l.) Having the upper jaw projecting beyond the lower, with the upper incisors in advance of the lower; -- said of dogs.
Wiktionary
pig-jawed
a. (context zoology English) Having the upper jaw projecting beyond the lower, with the upper incisors in advance of the lower; said of dogs.