1. (

• bobtail ,
• bob ,
• dock ,

) a short or shortened tail of certain animals ;

2. (

• Old_English_sheepdog ,
• bobtail ,

) large sheepdog with a profuse shaggy bluish-grey-and-white coat and short tail; believed to trace back to the Roman occupation of Britain ;

1. (

• bobtail ,
• bobtailed

) having a short or shortened tail; "bobtail mare" ;