spur
spur
noun
A sharp, pointed device worn on a rider's heel to urge a horse.
"The jockey dug his spurs into the horse."
verb
To encourage or stimulate an action, development, or person.
"The news spurred them into action quickly."
Thesaurus
Synonyms: gad, goad, spur track, branch line, prodding, spurring, goading, urging, prod, acantha, spine