What is the meaning of lash?

noun

• Any of the short curved hairs that grow from the edges of the eyelids.
  • synonyms: eyelash, cilium
• Leather strip that forms the flexible part of a whip.
  • synonyms: thong
• A quick blow delivered with a whip or whiplike object.
  • usage: "the whip raised a red welt"
  • synonyms: whip, whiplash

verb

• Beat severely with a whip or rod.
  • usage: "The teacher often flogged the students"; "The children were severely trounced"
  • synonyms: flog, welt, whip, lather, slash, strap, trounce
• Lash or flick about sharply.
  • usage: "The lion lashed its tail"
• Strike as if by whipping.
  • usage: "The curtain whipped her face"
  • synonyms: whip
• Bind with a rope, chain, or cord.
  • usage: "lash the horse"