(of a rider or their boots) having a spiked device on the heels for urging a horse forward

two young men appeared booted and spurred

the clank of spurred boots

urge (a horse) forward by digging one's spurs into its sides

she spurred her horse towards the hedge

give an incentive or encouragement to (someone)

her sons' passion for computer games spurred her on to set up a software business

prune in (a side shoot of a plant) so as to form a spur close to the stem

spur back the lateral shoots