spasm, cramp, muscle spasm -- (a painful and involuntary muscular contraction)
cramp -- (a clamp for holding pieces of wood together while they are glued)
cramp, cramp iron -- (a strip of metal with ends bent at right angles; used to hold masonry together)
Overview of verb cramp
The verb cramp has 4 senses
cramp -- (secure with a cramp; "cramp the wood")
hamper, halter, cramp, strangle -- (prevent the progress or free movement of; "He was hampered in his efforts by the bad weather"; "the imperialist nation wanted to strangle the free trade between the two small countries")
cramp -- (affect with or as if with a cramp)
cramp -- (suffer from sudden painful contraction of a muscle)