Definition of cramp

• n. - That which confines or contracts; a restraint; a shackle; a hindrance.
• n. - A device, usually of iron bent at the ends, used to hold together blocks of stone, timbers, etc.; a cramp iron.
• 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 spasmodic and painful involuntary contraction of a muscle or muscles, as of the leg.
• v. t. - To compress; to restrain from free action; to confine and contract; to hinder.
• v. t. - To fasten or hold with, or as with, a cramp.
• v. t. - to bind together; to unite.
• v. t. - To form on a cramp; as, to cramp boot legs.
• v. t. - To afflict with cramp.
• n. - Knotty; difficult.