What is the meaning of cramp?

noun

• A painful and involuntary muscular contraction.
  • synonyms: spasm, muscle spasm
• A clamp for holding pieces of wood together while they are glued.
• A strip of metal with ends bent at right angles; used to hold masonry together.
  • synonyms: cramp iron

verb

• Secure with a cramp.
  • usage: "cramp the wood"
• Prevent the progress or free movement of.
  • usage: "He was hampered in his efforts by the bad weather"; "the imperialist nation wanted to strangle the free trade between the two small countries"
  • synonyms: hamper, halter, strangle
• Affect with or as if with a cramp.
• Suffer from sudden painful contraction of a muscle. .