Main Entry: ¹bull·dog

Pronunciation: \ˈbu̇l-ˌdȯg also ˈbəl-\

Function: noun

Date: circa 1500

1 : any of a breed of compact muscular short-haired dogs having widely separated forelegs and an undershot lower jaw that were developed in England to fight bulls
2 : a handgun with a thick usually short barrel
3 : a proctor's attendant at an English university