Spike

noun 1. a transient variation in voltage or current

noun 2. sports equipment consisting of a sharp point on the sole of a shoe worn by athletes; 'spikes provide greater traction'

noun 3. fruiting spike of a cereal plant especially corn

noun 4. (botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis

noun 5. a sharp rise followed by a sharp decline; 'the seismograph showed a sharp spike in response to the temblor'

noun 6. a very high narrow heel on women's shoes

noun 7. 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'

noun 8. a sharp-pointed projection along the top of a fence or wall (or a dinosaur)

noun 9. a long, thin sharp-pointed implement (wood or metal); 'one of the spikes impaled him'

noun 10. any holding device consisting of a rigid, sharp-pointed object; 'the spike pierced the receipts and held them in order'

noun 11. a large stout nail; 'they used spikes to fasten the rails to a railroad tie'

verb 1. stand in the way of

verb 2. pierce with a sharp stake or point; 'impale a shrimp on a skewer'

verb 3. secure with spikes

verb 4. bring forth a spike or spikes; 'my hyacinths and orchids are spiking now'

verb 5. add alcohol to (beverages); 'the punch is spiked!'

verb 6. manifest a sharp increase; 'the voltage spiked'