spike

a transient variation in voltage or current

sports equipment consisting of a sharp point on the sole of a shoe worn by athletes; "spikes provide greater traction"

fruiting spike of a cereal plant especially corn

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

a sharp rise followed by a sharp decline; "the seismograph showed a sharp spike in response to the temblor"

a very high narrow heel on women's shoes

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"

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

a long, thin sharp-pointed implement (wood or metal); "one of the spikes impaled him"

any holding device consisting of a rigid, sharp-pointed object; "the spike pierced the receipts and held them in order"

a large stout nail; "they used spikes to fasten the rails to a railroad tie"

stand in the way of

pierce with a sharp stake or point; "impale a shrimp on a skewer"

secure with spikes

bring forth a spike or spikes; "my hyacinths and orchids are spiking now"

add alcohol to (beverages); "the punch is spiked!"

manifest a sharp increase; "the voltage spiked"