Definition of "bobtail"

A short, or deliberately shortened tail.  examples

An animal that has a bobtail, such as certain canines or nags.  examples

(agriculture) A tractor which performs without its trailer.  examples

A tractor-trailer that is relatively short in length.

1. The tractor unit of a semi-truck without a trailer  examples

(poker, often attributive) An open-ended straight or four flush.  examples

A bobtail squid  examples

A bobtail skink  examples

(agriculture) To drive a tractor without its trailer.  quotations  examples

To drive a truck or other vehicle without its trailer.  quotations  examples