Sentence:  Two sorts of <WSD>spurs</WSD> seem to have been in use about the time of the Conquest, one called a pryck, having only a single point like the gaffle of a fighting cock; the other consisting of a number of points of considerable length, radiating from and revolving on a center, thence named the rouelle or wheel spur. 
Meaning of the word marked with <WSD> tags:  A rigid implement, often roughly y-shaped, that is fixed to one's heel for the purpose of prodding a horse. Often worn by, and emblematic of, the cowboy or the knight.