spike

[ spahyk ]

/ spaɪk /

noun

a naillike fastener, 3 to 12 inches (7.6 to 30.5 cm) long and proportionately thicker than a common nail, for fastening together heavy timbers or railroad track.

something resembling such a nail; a stiff, sharp-pointed piece or part: to set spikes in the top of a cement wall.

a sharp-pointed piece of metal set with the point outward, as on a weapon.

an abrupt increase or rise: a chart showing a spike of unusual activity in the stock market; a sudden spike of electrical current.

a rectangular or naillike metal projection on the heel and sole of a shoe for improving traction, as of a baseball player or a runner.

spikes, a pair of shoes having such projections.

the unbranched antler of a young deer.

Botany. a flower stalk.

a pointed portion of a continuous curve or graph, usually rising above the adjacent portion: a spike in the value of the voltage.

Volleyball. a hard smash, hit close to the net, almost straight down into the opponent's court.

Slang. a hypodermic needle.

verb (used with object), spiked, spik·ing.

to fasten or secure with a spike or spikes.

to provide or set with a spike or spikes.

to pierce with or impale on a spike.

to set or stud with something suggesting spikes.

to injure (another player or a competitor) with the spikes of one's shoe, as in baseball.

Volleyball. to hit (a ball in the air) with a powerful, overarm motion from a position close to the net so as to cause it to travel almost straight down into the court of the opponents.

Football. to slam (the ball) to the ground in the end zone, after scoring a touchdown.

to render (a muzzle-loading gun) useless by driving a spike into the touchhole.

to make ineffective; frustrate or thwart: to spike a rumor; to spike someone's chances for promotion.

Informal.

to add alcoholic liquor to (a drink).
to add (a chemical, poison, or other substance) to: The cocoa was spiked with cyanide.

Journalism Slang. to refuse (a story) by or as if by placing on a spindle.

verb (used without object), spiked, spik·ing.

to rise or increase sharply (often followed by up): Interest rates spiked up last week.

Nearby words

spigelius' line, spigelius' lobe, spignel, spigot, spik, spike, spike heath, spike heel, spike lavender, spike moss, spike potential

Idioms

spike someone's guns. gun¹(def 16).

Origin of spike

1300–50; Middle English spik(e) (noun) < Old Norse spīkr nail; akin to Old Norse spīk, Middle Low German spīker nail

Related forms

spike·like, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for spike up (1 of 2)

spike

/ (spaɪk) /

noun

a sharp point

any sharp-pointed object, esp one made of metal

a long metal nail

physics

a transient variation in voltage or current in an electric circuit
a graphical recording of this, such as one of the peaks on an electroencephalogram

(plural) shoes with metal projections on the sole and heel for greater traction, as used by athletes

the straight unbranched antler of a young deer

British slang another word for dosshouse

verb (mainly tr)

to secure or supply with or as with spikes

to render ineffective or block the intentions of; thwart

to impale on a spike

to add alcohol to (a drink)

journalism to reject (a news story)

volleyball to hit (a ball) sharply downwards with an overarm motion from the front of one's own court into the opposing court

(formerly) to render (a cannon) ineffective by blocking its vent with a spike

spike someone's guns to thwart someone's purpose

Word Origin for spike

C13 spyk; related to Old English spīcing nail, Old Norse spīk splinter, Middle Low German spīker spike, Norwegian spīk spoke ², Latin spīca sharp point; see spike ²

British Dictionary definitions for spike up (2 of 2)

spike

/ (spaɪk) /

noun botany

an inflorescence consisting of a raceme of sessile flowers, as in the gladiolus and sedges

an ear of wheat, barley, or any other grass that has sessile spikelets

Word Origin for spike

C14: from Latin spīca ear of corn

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for spike up

spike

[ spīk ]

n.

A brief electrical event of 3 to 25 milliseconds that gives the appearance in the electroencephalogram of a rising and falling vertical line.

Science definitions for spike up

spike

[ spīk ]

An elongated indeterminate inflorescence in which the flowers are attached directly to a common stem, rather than borne on individual stalks arising from the stem. The gladiolus produces spikes. The distinctive spikes of grasses such as wheat or barley are known as spikelets. See illustration at inflorescence.

spike

noun

verb (used with object), spiked, spik·ing.

verb (used without object), spiked, spik·ing.

RELATED CONTENT

Nearby words

Idioms

Origin of spike

Related forms

British Dictionary definitions for spike up (1 of 2)

spike

noun

verb (mainly tr)

Word Origin for spike

British Dictionary definitions for spike up (2 of 2)

spike

noun botany

Word Origin for spike

Medicine definitions for spike up

spike

n.

Science definitions for spike up

spike