spike

¹

[ spahyk ]

noun

1. a naillike fastener, 3 to 12 inches (7.6 to 30.5 centimeters) long and proportionately thicker than a common nail, for fastening together heavy timbers or railroad track.
2. something resembling such a nail; a stiff, sharp-pointed piece or part:

   to set spikes in the top of a cement wall.

3. a sharp-pointed piece of metal set with the point outward, as on a weapon.
4. an abrupt increase or rise:

   a chart showing a spike of unusual activity in the stock market; a sudden spike of electrical current.

5. 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.
6. spikes, a pair of shoes having such projections.
7. the unbranched antler of a young deer.
8. Botany. a flower stalk.
9. a pointed portion of a continuous curve or graph, usually rising above the adjacent portion:

   a spike in the value of the voltage.

10. Volleyball. a hard smash, hit close to the net, almost straight down into the opponent's court.
11. Slang. a hypodermic needle.

verb (used with object)

, spiked, spik·ing.

1. to fasten or secure with a spike or spikes.
2. to provide or set with a spike or spikes.
3. to pierce with or impale on a spike.
4. to set or stud with something suggesting spikes.
5. to injure (another player or a competitor) with the spikes of one's shoe, as in baseball.
6. 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.
7. Football. to slam (the ball) to the ground in the end zone, after scoring a touchdown.
8. to render (a muzzle-loading gun) useless by driving a spike into the touchhole.
9. to make ineffective; frustrate or thwart:

   to spike a rumor; to spike someone's chances for promotion.

10. Informal.
    1. to add alcoholic liquor to (a drink).
    2. to add (a chemical, poison, or other substance) to:

       The cocoa was spiked with cyanide.

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

verb (used without object)

, spiked, spik·ing.

1. to rise or increase sharply (often followed by up ):

   Interest rates spiked up last week.

spike

²

[ spahyk ]

noun

1. an ear, as of wheat or other grain.
2. Botany. an inflorescence in which the flowers are without a stalk, or apparently so, along an elongated, unbranched axis.

spike

¹

/ spaɪk /

noun

1. a sharp point
2. any sharp-pointed object, esp one made of metal
3. a long metal nail
4. physics
   1. a transient variation in voltage or current in an electric circuit
   2. a graphical recording of this, such as one of the peaks on an electroencephalogram
5. plural shoes with metal projections on the sole and heel for greater traction, as used by athletes
6. the straight unbranched antler of a young deer
7. slang.
   another word for dosshouse

verb

1. to secure or supply with or as with spikes
2. to render ineffective or block the intentions of; thwart
3. to impale on a spike
4. to add alcohol to (a drink)
5. journalism to reject (a news story)
6. volleyball to hit (a ball) sharply downwards with an overarm motion from the front of one's own court into the opposing court
7. (formerly) to render (a cannon) ineffective by blocking its vent with a spike
8. spike someone's guns
   to thwart someone's purpose

spike

²

/ spaɪk /

noun

1. an inflorescence consisting of a raceme of sessile flowers, as in the gladiolus and sedges
2. an ear of wheat, barley, or any other grass that has sessile spikelets

spike

/ spīk /

1. 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.
2. See illustration at inflorescence

Other Words From

• spikelike adjective

Word History and Origins

Origin of spike¹

First recorded in 1250–1300; Middle English noun spik(e), from Old Norse spīkr “nail”; akin to Old Norse spīk “splinter,” Middle Low German spīker “nail”

Origin of spike²

First recorded in 1350–1400; Middle English spik(e), spika, probably special use of spike ¹, influenced by Latin spīca “ear of grain”

Word History and Origins

Origin of spike¹

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

Origin of spike²

C14: from Latin spīca ear of corn

Idioms and Phrases

Idioms

1. spike someone's guns. gun ¹( def 18 ).

Example Sentences

The findings offer a new clue to a phenomenon geochemists have documented for years: heavy metal concentrations in streams and rivers tend to spike after nearby wildfires.

From Los Angeles Times

However, two weeks after he was admitted, Mr Trolan's condition deteriorated and he experienced temperature spikes and a rapid heart rate.

From BBC

It is no coincidence that the number of new Bluesky users spiked following Donald Trump's success in the US elections in November.

From BBC

There were jeers for Ohio's Paul, who wore a diamond spiked ear cover and referenced the infamous title fight where Tyson bit a chunk out of Evander Holyfield's ear in 1997.

From BBC

But the last five years has seen a reversal, with the global price of uranium spiking by more than 200%one of this year's top-performing commodities.

From BBC