spike in WordNet English dictionary

1. fruiting spike of a cereal plant especially corn
   ear  spike  capitulum 
   
2. sports equipment consisting of a sharp point on the sole of a shoe worn by athletes
   "spikes provide greater traction"
   spike 
   
3. a large stout nail
   "they used spikes to fasten the rails to a railroad tie"
   spike 
   
4. any holding device consisting of a rigid, sharp-pointed object
   "the spike pierced the receipts and held them in order"
   spike  spindle 
   
5. a long, thin sharp-pointed implement (wood or metal)
   "one of the spikes impaled him"
   spike 
   
6. a sharp-pointed projection along the top of a fence or wall (or a dinosaur)
   spike 
   
7. a very high narrow heel on women's shoes
   spike heel  spike  stiletto heel 
   
8. each of the sharp points on the soles of athletic shoes to prevent slipping (or the shoes themselves)
   "the second baseman sharpened his spikes before every game"; "golfers' spikes damage the putting greens"
   spike 
   
9. a transient variation in voltage or current
   spike 
   
10. a sharp rise followed by a sharp decline
    "the seismograph showed a sharp spike in response to the temblor"
    spike 
    
11. (botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis
    spike 
    

1. pierce with a sharp stake or point
   "impale a shrimp on a skewer"
   transfix  impale  empale  spike 
   
2. add alcohol to (beverages)
   "the punch is spiked!"
   spike  lace  fortify 
   
3. bring forth a spike or spikes
   "my hyacinths and orchids are spiking now"
   spike  spike out 
   
4. manifest a sharp increase
   "the voltage spiked"
   spike 
   
5. secure with spikes
   spike 
   
6. stand in the way of
   spike