Noun: ump úmpUsage: informal- An official at a sports match or game who enforces the rules
"The ump called a foul ball";
- umpire
Verb: ump úmpUsage: informal- (sport) be a referee or umpire in a sports competition
"He umped the Little League game";
- referee, umpire, ref [informal]
Derived forms: umped, umping, umps
Type of: judge, official
Encyclopedia: Ump