Spike

(noun) a transient variation in voltage or current. Synonyms: spike.

(noun) sports equipment consisting of a sharp point on the sole of a shoe worn by athletes. Synonyms: spike. Examples: "Spikes provide greater traction."

(noun) fruiting spike of a cereal plant especially corn. Synonyms: ear, spike, capitulum.

(noun) (botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis. Synonyms: spike.

(noun) a sharp rise followed by a sharp decline. Synonyms: spike. Examples: "The seismograph showed a sharp spike in response to the temblor."

(noun) a very high narrow heel on women's shoes. Synonyms: spike heel, spike, stiletto heel.

(noun) each of the sharp points on the soles of athletic shoes to prevent slipping (or the shoes themselves). Synonyms: spike. Examples: "The second baseman sharpened his spikes before every game." "Golfers' spikes damage the putting greens."

(noun) a sharp-pointed projection along the top of a fence or wall (or a dinosaur). Synonyms: spike.

(noun) a long, thin sharp-pointed implement (wood or metal). Synonyms: spike. Examples: "One of the spikes impaled him."

(noun) any holding device consisting of a rigid, sharp-pointed object. Synonyms: spike, spindle. Examples: "The spike pierced the receipts and held them in order."

(noun) a large stout nail. Synonyms: spike. Examples: "They used spikes to fasten the rails to a railroad tie."

(verb) stand in the way of. Synonyms: spike.

(verb) pierce with a sharp stake or point. Synonyms: transfix, impale, empale, spike. Examples: "Impale a shrimp on a skewer."

(verb) secure with spikes. Synonyms: spike.

(verb) bring forth a spike or spikes. Synonyms: spike, spike out. Examples: "My hyacinths and orchids are spiking now."

(verb) add alcohol to (beverages). Synonyms: spike, lace, fortify. Examples: "The punch is spiked!."

(verb) manifest a sharp increase. Synonyms: spike. Examples: "The voltage spiked."