Definition of bobtail in English:

bobtail

noun

  • A docked tail of a horse or dog.

    • ‘Also, unlike cheetahs and lions (which have long tails that help provide balance when the animals run) Smilodon had a bobtail.’

Origin

Mid 16th century: probably from bob + tail. It was originally recorded as a humorous term for a kind of broad-headed arrow, probably because it looked as though it had been cut short.

Pronunciation:

bobtail

/ˈbɒbteɪl/