Definition of spike noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//spaɪk//
    ; NAmE NAmE//spaɪk//
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  1. 1[countable] a thin object with a sharp point, especially a pointed piece of metal, wood, etc. a row of iron spikes on a wall Her hair stood up in spikes. see also spike heel
  2. 2[countable, usually plural] a metal point attached to the sole of a sports shoe to prevent you from slipping while running compare cleat
  3. 3 spikes [plural] shoes fitted with these metal spikes, used for running a pair of spikes
  4. 4 [countable] a long pointed group of flowers that grow together on a single stem
  5. 5[countable, usually singular] (informal, especially North American English) a sudden large increase in something a spike in oil prices
  6. Word Originnoun senses 1 to 3 and noun sense 5 Middle English: perhaps from Middle Low German, Middle Dutch spiker, related to spoke. noun sense 4 late Middle English (denoting an ear of corn): from Latin spica ‘spike, ear of corn’; related to spina ‘spine’.
See the Oxford Advanced American Dictionary entry: spike