What is the meaning of Cramp?

A painful contraction of a muscle which cannot be controlled; a similar pain even without noticeable contraction.

That which confines or contracts.

A clamp for carpentry or masonry.

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.

(of a muscle) To contract painfully and uncontrollably.

To affect with cramps or spasms.

To prohibit movement or expression of.

To restrain to a specific physical position, as if with a cramp.

To fasten or hold with, or as if with, a cramp iron.

To bind together; to unite.

To form on a cramp.

cramped; narrow

intricate, complex

Source: wiktionary.org