1.Definition: (botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis

Category: Plants

2.Definition: a large stout nail

"They used spikes to fasten the rails to a railroad tie"

Category: Objects

3.Definition: a long, thin sharp-pointed implement (wood or metal)

"One of the spikes impaled him"

Category: Objects

4.Definition: a sharp rise followed by a sharp decline

"The seismograph showed a sharp spike in response to the temblor"

Category: General

5.Definition: a sharp-pointed projection along the top of a fence or wall (or a dinosaur)

Category: Objects

6.Definition: a transient variation in voltage or current

Category: General

7.Definition: a very high narrow heel on women's shoes

Category: Objects

8.Definition: any holding device consisting of a rigid, sharp-pointed object

"The spike pierced the receipts and held them in order"

Related Noun(s):spindle

Category: Objects

9.Definition: each of the sharp points on the soles of athletic shoes to prevent slipping (or the shoes themselves)

"The second baseman sharpened his spikes before every game", "Golfers' spikes damage the putting greens"

Category: Objects

10.Definition: fruiting spike of a cereal plant especially corn

Related Noun(s):capitulum, ear

Category: Plants

11.Definition: sports equipment consisting of a sharp point on the sole of a shoe worn by athletes

"Spikes provide greater traction"

Category: Objects