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1

spike

play
noun \ˈspīk\

Definition of spike

  1. 1 :  a very large nail

  2. 2a :  one of a row of pointed irons placed (as on the top of a wall) to prevent passageb (1) :  one of several metal projections set in the sole and heel of a shoe to improve traction (2) plural :  a pair of shoes having spikes attached to the soles or soles and heelsc :  spindle 1e

  3. 3 :  something resembling a spike: asa :  a young mackerel not over six inches (15.2 centimeters) longb :  an unbranched antler of a young deer

  4. 4 plural :  spike heel 2

  5. 5 :  the act or an instance of spiking (as in volleyball)

  6. 6a :  a pointed element in a graph or tracingb :  an unusually high and sharply defined maximum (as of amplitude in a wave train)

  7. 7 slang :  hypodermic needle

  8. 8 :  a momentary sharp increase and fall in electric potential; also :  action potential

  9. 9 :  an abrupt sharp increase (as in prices or rates)

spikelike

play \-ˌlīk\ adjective


Origin and Etymology of spike

Middle English, probably from Old Norse spīk splinter & spīkr spike; akin to Middle Dutch spiker spike — more at spoke


First Known Use: 13th century


2

spike

verb

Simple Definition of spike

  • : to add alcohol or drugs to (food or drink)

  • : to add something that gives flavor or interest to (something)

  • : to increase greatly in a short period of time

Source: Merriam-Webster's Learner's Dictionary

Full Definition of spike

spiked

spiking

  1. transitive verb
  2. 1 :  to fasten or furnish with spikes

  3. 2a :  to disable (a muzzle-loading cannon) temporarily by driving a spike into the ventb :  to suppress or block completely <spiked the rumor>

  4. 3a :  to pierce or impale with or on a spikeb :  to reject (as a story) for publication or broadcast for editorial reasons

  5. 4a :  to add an alcoholic beverage to (a drink) <spiked the punch>b :  to add a foreign substance to <spike the coffee with tranquilizers>c :  to add something highly reactive (as a radioactive tracer) tod :  to add vitality, zest, or spice to :  liven <spiked the speech with humor> <spike the broth with peppers>

  6. 5 :  to drive (as a volleyball) sharply downward with a hard blow; also :  to throw down sharply <spiked the ball in the end zone>

  7. 6 :  to undergo a sudden sharp increase in (temperature or fever) <the patient spiked a fever of 103°>

  8. intransitive verb
  9. :  to increase sharply <battery sales spiked after the storm>

spiker

noun

Examples of spike in a sentence

  1. Someone spiked the punch at the party.

  2. The medication caused his blood pressure to spike.

  3. She spiked the ball and scored the winning point.

  4. After he scored a touchdown he spiked the ball in the end zone.



1624

First Known Use of spike

1624

Other Broadcasting Terms


3

spike

noun

Definition of spike

  1. 1 :  an ear of grain

  2. 2 :  an elongated inflorescence similar to a raceme but having the flowers sessile on the main axis — see inflorescence illustration



Origin and Etymology of spike

Middle English spik, from Latin spica — more at spine


First Known Use: 14th century



SPIKE Defined for Kids

1

spike

play
noun \ˈspīk\

Definition of spike for Students

  1. 1 :  a very large nail

  2. 2 :  something pointed like a nail <She even wanted to forget … her horrible hair, now drying into stiff spikes. — Beverly Cleary, Ramona Quimby>

  3. 3 :  one of the metal objects attached to the heel and sole of a shoe (as a baseball shoe) to prevent slipping




2

spike

play
verb

Definition of spike for Students

spiked

spiking

  1. 1 :  to fasten with large nails

  2. 2 :  to pierce or cut with or on a large nail

  3. 3 :  to hit or throw (a ball) sharply downward

  4. 4 :  to add alcohol or drugs to




3

spike

play
noun

Definition of spike for Students

  1. 1 :  a tight mass of grain <spikes of wheat>

  2. 2 :  a long usually rather narrow flower cluster in which the blossoms grow very close to a central stem




Medical Dictionary

1

spike

play
noun \ˈspīk\

Medical Definition of spike

  1. :  a change (as in voltage) involving a sharp increase and fall or a recording of this: asa:  the pointed element in the wave tracing in an electroencephalogramb:  a sharp increase in body temperature followed by a rapid fall <a fever with spikes to 103°>c (1):  the sharp increase and fall in the recorded action potential of a stimulated nerve cell that during the increasing phase corresponds to an inrush of sodium ions to the interior of the cell and during the decreasing phase corresponds to a slowing of the influx of sodium ions and to an increasing efflux of potassium ions to the exterior (2):  action potential




2

spike

transitive verb

Medical Definition of spike

spiked

;

spiking

  1. :  to undergo a sudden sharp increase in (temperature or fever) usually up to an indicated level <infected patients spiked fevers as high as 105°F>





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