Spur

1. One of the large or principal roots of a tree.
2. An implement secured to the heel, or above the heel, of a horseman, to urge the horse by its pressure. Modern spurs have a small wheel, or rowel, with short points. Spurs were the badge of knighthood.
3. Any stiff, sharp spine, as on the wings and legs of certain burds, on the legs of insects, etc.; especially, the spine on a cock's leg.
4. A brace strengthening a post and some connected part, as a rafter or crossbeam; a strut.
5. That which goads to action; an incitement.
6. A sparrow.
7. To spur on one' horse; to travel with great expedition; to hasten; hence, to press forward in any pursuit.
8. To prick with spurs; to incite to a more hasty pace; to urge or goad; as, to spur a horse.
9. A projection from the round base of a column, occupying the angle of a square plinth upon which the base rests, or bringing the bottom bed of the base to a nearly square form. It is generally carved in leafage.
10. A spiked iron worn by seamen upon the bottom of the boot, to enable them to stand upon the carcass of a whale, to strip off the blubber.
11. Ergotized rye or other grain.
12. A tern.
13. A curved piece of timber serving as a half to support the deck where a whole beam can not be placed.
14. To urge or encourage to action, or to a more vigorous pursuit of an object; to incite; to stimulate; to instigate; to impel; to drive.
15. A piece of timber fixed on the bilge ways before launching, having the upper ends bolted to the vessel's side.
16. The short wooden buttress of a post.
17. Something that projects; a snag.
18. A mountain that shoots from any other mountain, or range of mountains, and extends to some distance in a lateral direction, or at right angles.
19. To put spurs on; as, a spurred boot.
20. Any projecting appendage of a flower looking like a spur.
21. A wall that crosses a part of a rampart and joins to an inner wall.