hoss /hos/ (esp US informal and dialect)

A horse

• upthrow
• upthrowing
• upthrown
• upthrows
• upthrust
• upthrusting
• upthrusts
• upthunder
• upthundered
• upthundering
• upthunders
• uptick
• upticks
• uptie
• uptied
• upties
• uptight
• uptighter
• uptightest
• up-till
• uptilt
• uptilted
• uptilting
• uptilts
• uptime