What is the meaning of Courser?

A dog used for coursing.

A hunter who practises coursing.

A swift horse; a racehorse or a charger.

Any of several species of terrestrial bird in the genera Cursorius and Rhinoptilus.

A stone used in building a course.

to purchase

to chase

A charger (large horse for battle)

Any stallion; any horse.

Source: wiktionary.org