tubular extension at the base of the corolla in some flowers
"The botanist noted a prominent spur on the orchid's lip that helped store nectar for visiting pollinators."
a railway line connected to a trunk line
"The new spur will eventually connect our small town directly to the main freight network."
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.
"When Spurs won the league last season, every true supporter of Tottenham Hotspur felt proud to wear their colors again."
A tern.
A spurious tone, one that interferes with a signal in a circuit and is often masked underneath that signal.
The track of an animal, such as an otter; a spoor.
someone connected with Tottenham Hotspur FC, as a fan, player, coach etc.
strike with a spur
"The rider leaned forward and spurred his horse to cross the river before the current grew too strong."
To prod (especially a horse) on the side or flank, with the intent to urge motion or haste, to gig.
Alternative form of speer.