lash in WordNet English dictionary

1. any of the short curved hairs that grow from the edges of the eyelids
   eyelash  lash  cilium 
   
2. a quick blow delivered with a whip or whiplike object
   "the whip raised a red welt"
   whip  lash  whiplash 
   
3. leather strip that forms the flexible part of a whip
   lash  thong 
   

1. beat severely with a whip or rod
   "The teacher often flogged the students"; "The children were severely trounced"
   flog  welt  whip  lather  lash  slash  strap  trounce 
   
2. strike as if by whipping
   "The curtain whipped her face"
   whip  lash 
   
3. bind with a rope, chain, or cord
   "lash the horse"
   lash 
   
4. lash or flick about sharply
   "The lion lashed its tail"
   lash