spike

A very high narrow heel on women's shoes.

A sharp rise followed by a sharp decline.

“the seismograph showed a sharp spike in response to the temblor”

A transient variation in voltage or current.

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

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”

Sports equipment consisting of a sharp point on the sole of a shoe worn by athletes.

“spikes provide greater traction”

Any holding device consisting of a rigid, sharp-pointed object.

“the spike pierced the receipts and held them in order”

Fruiting spike of a cereal plant especially corn.

A large stout nail.

“they used spikes to fasten the rails to a railroad tie”

A long, thin sharp-pointed implement (wood or metal).

“one of the spikes impaled him”

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

Manifest a sharp increase.

“the voltage spiked”

Secure with spikes.

Stand in the way of.

Add alcohol to (beverages).

“the punch is spiked!”

Pierce with a sharp stake or point.

Bring forth a spike or spikes.