spike - definition and synonyms

noun [countable] 

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/spaɪk/
singularspike
pluralspikes
  1. 1
    something sharp and pointed, especially a piece of metal or wood
  2. 2
    one of the short pointed pieces of metal on the bottom of some sports shoes
    1. a.

      spikes

      [plural] sports shoes with short pointed pieces of metal on the bottom
  3. 3
    a sudden increase in the amount of electricity that a system produces
    1. a.
      informal a sudden increase in something

      a spike in the oil price