definition of
spur

[1] #1 spur n. [goad, goading, prod, prodding, urging, spurring] a verbalization that encourages you to attempt something; "the ceaseless prodding got on his nerves". wn

[2] #2 spur v. incite or stimulate; "The Academy was formed to spur research". wn

[3] #3 spur v. [goad] give heart or courage to. wn

[4] #4 spur n. [spine, acantha] any sharply pointed projection. wn

[5] #5 spur n. tubular extension at the base of the corolla in some flowers. wn