Dictionary definition · spur
noun
- a verbalization that encourages you to attempt something"the ceaseless prodding got on his nerves"
- any sharply pointed projection
- tubular extension at the base of the corolla in some flowers
- a sharp prod fixed to a rider's heel and used to urge a horse onward"cowboys know not to squat with their spurs on"
- a railway line connected to a trunk line
verb
- incite or stimulate"The Academy was formed to spur research"
- give heart or courage to
- strike with a spur
- goad with spurs"the rider spurred his horse"
- equip with spurs"spur horses"
Source: Open English WordNet (CC BY 4.0).