| U | a plant of the genus Mirabilis |
|---|---|
| U | a mountainous region in central Italy |
| U | an extinct Italic language of ancient southern Italy |
| U | croakers |
| U | fish of North American Pacific coast |
| U | a Bantu language spoken in Angola |
| U | a diacritical mark (two dots) placed over a vowel in German to indicate a change in sound |
| U | an official at a baseball game |
| U | the act of umpiring |
| U | mediation by an umpire |
| U | an official at a baseball game |
| U | be a referee or umpire |