To spur on one's horse; to travel with great expedition; to hasten; hence, to press forward in any pursuit.
“The Parthians shall be there,
And,
spurring from the fight, confess their fear.”
— Dryden.
“The roads leading to the capital were covered with multitudes of yeomen,
spurring hard to Westminster.”
— Macaulay.
“Some bold men, . . . by spurring on, refine themselves.”
— Grew.