/spɜ / (say sper)

1. a pointed device attached to a rider's boot heel, for goading a horse onwards, etc.
2. anything that goads, impels, or urges to action or speed.
3. something projecting, and resembling or suggesting a spur.
4. a sharp piercing or cutting instrument fastened on the leg of a gamecock, for use in fighting.
5. a stiff, usually sharp, horny process on the leg of various birds, especially the domestic cock.
6. heel spur.
7. a short or stunted branch or shoot, as of a tree.
8. one of the principal lateral roots of a tree.
9. a slender, usually hollow, projection from some part of a flower, as from the calyx of the larkspur or the corolla of the violet.
10. Physical Geography a ridge or line of elevation projecting from or subordinate to the main body of a mountain or mountain range.
11. a structure built to protect a river bank from a fast current; a river groyne.
12. griff1.
13. Architecture
a. a short wooden brace, usually temporary, for strengthening a post or some other part.
b. any offset from a wall, etc., as a buttress.
14. Railways a siding.
verb (spurred, spurring)
verb (t)
15. Also, spur on. to prick with, or as with, spurs or a spur, as in order to urge on: *Murra walked ahead, the blood now running hotly in his veins, spurred on by indignation, outrage –hyllus maris and sonia borg, 1985.
16. to strike or wound with the spur, as a gamecock.
17. to furnish with spurs or a spur.
verb (i)
18. to prick one's horse with the spur; ride quickly.
19. to proceed hurriedly; press forward.
20. on the spur of the moment, suddenly; without premeditation.
21. win one's spurs, to achieve one's first distinction or success. {Phrase Origin: from medieval times, when a boy of noble birth, having worked through the ranks of page or squire and proved himself in battle, would be honoured by being dubbed a knight by his lord and presented with a pair of silver spurs}
{Middle English; Old English spora, spura}
spurrer, noun

Australian English dictionary. 2014.