cramp

n. muscle contraction; clamp, bar which holds objects together

v. confine, impede, restrain; constrict; fasten with a clamp

Cramps are unpleasant, often painful, sensations caused by contraction or over shortening of muscles. Cramps can be caused by cold or overexertion. Illness or poisoning can also cause cramps, particularly in the stomach, which is referred to as colic if it fits particular characteristics. See also Delayed onset muscle soreness.
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Cramp a painful spasmodic muscular contraction. heat cramp spasm with pain, weak pulse, and dilated pupils; seen in workers in intense heat. [more]Cramp - Community and Resources

Noun
1. a painful and involuntary muscular contraction
(synonym) spasm, muscle spasm
(hypernym) symptom
(hyponym) charley horse, charley-horse
2. a clamp for holding pieces of wood together while they are glued
(hypernym) clamp
3. a strip of metal with ends bent at right angles; used to hold masonry together
(synonym) cramp iron
(hypernym) strip, slip
Verb
1. secure with a cramp; "cramp the wood"
(hypernym) fasten, fix, secure
(derivation) cramp iron
2. prevent the progress or free movement of; "He was hampered in his efforts by the bad weather"; "the imperilist nation wanted to strangle the free trade between the two small countries"
(synonym) hamper, halter, strangle
(hypernym) restrict, restrain, trammel, limit, bound, confine, throttle

(v. t.)
To form on a cramp; as, to cramp boot legs.
  

(v. t.)
To fasten or hold with, or as with, a cramp.
  

(v. t.)
To compress; to restrain from free action; to confine and contract; to hinder.
  

(v. t.)
to bind together; to unite.
  

(v. t.)
To afflict with cramp.
  

(n.)
That which confines or contracts; a restraint; a shackle; a hindrance.
  

(n.)
Knotty; difficult.
  

(n.)
A spasmodic and painful involuntary contraction of a muscle or muscles, as of the leg.
  

(n.)
A rectangular frame, with a tightening screw, used for compressing the joints of framework, etc.
  

(n.)
A piece of wood having a curve corresponding to that of the upper part of the instep, on which the upper leather of a boot is stretched to give it the requisite shape.
  

(n.)
A device, usually of iron bent at the ends, used to hold together blocks of stone, timbers, etc.; a cramp iron.