spike
noun /spaɪk/
  /spaɪk/
- [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.
 
- [countable, usually plural] a metal point attached to the sole of a sports shoe to prevent you from slipping while running compare cleat                                     
- spikes[plural] shoes fitted with these metal spikes, used for running- a pair of spikes
 
- [countable] a long pointed group of flowers that grow together on a single stem
- [countable, usually singular] a sudden large increase in something- a spike in oil prices
 
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’.