Definition of "Spike" :
noun: sports equipment consisting of a sharp point on the sole of a shoe worn by athletes
"Spikes provide greater traction."
noun: a large stout nail
"They used spikes to fasten the rails to a railroad tie."
noun: any holding device consisting of a rigid, sharp-pointed object
"The spike pierced the receipts and held them in order."
noun: a long, thin sharp-pointed implement (wood or metal)
"One of the spikes impaled him."
noun: a sharp-pointed projection along the top of a fence or wall (or a dinosaur)
noun: 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."
noun: a very high narrow heel on women's shoes
noun: a transient variation in voltage or current
noun: a sharp rise followed by a sharp decline
"The seismograph showed a sharp spike in response to the temblor."
noun: (botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis
noun: fruiting spike of a cereal plant especially corn
verb: manifest a sharp increase
"The voltage spiked."
verb: add alcohol to (beverages)
"The punch is spiked!."
verb: bring forth a spike or spikes
verb: secure with spikes
verb: pierce with a sharp stake or point
verb: stand in the way of