cramp

1. A painful contraction of a muscle which cannot be controlled.
2. That which confines or contracts; a restraint; a shackle; a hindrance.
3. A clamp for carpentry or masonry.
4. 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.

1. (of a muscle) To contract painfully and uncontrollably.
2. To affect with cramps or spasms.
3. To prohibit movement or expression of.

   You're cramping my style.

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

   You're going to need to cramp the wheels on this hill.

5. To fasten or hold with, or as if with, a cramp iron.
6. (by extension) To bind together; to unite.
7. To form on a cramp.

   to cramp boot legs

adjective

Cramped; narrow