n a transient variation in voltage or current\nn sports equipment consisting of a sharp point on the sole of a shoe worn by athletes\nn fruiting spike of a cereal plant especially corn\nn (botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis\nn a sharp rise followed by a sharp decline\nn a very high narrow heel on women's shoes\nn each of the sharp points on the soles of athletic shoes to prevent slipping (or the shoes themselves)\nn a sharp-pointed projection along the top of a fence or wall (or a dinosaur)\nn a long, thin sharp-pointed implement (wood or metal)\nn any holding device consisting of a rigid, sharp-pointed object\nn a large stout nail\nv stand in the way of\nv pierce with a sharp stake or point\nv secure with spikes\nv bring forth a spike or spikes\nv add alcohol to (beverages)\nv manifest a sharp increase