A bend or crease in something, especially fabric or paper. She carefully ironed out the fold in her dress.
A group of people or things that share a common interest or purpose. He was welcomed back into the fold after his long absence.
A pen or enclosure for sheep or other domestic animals. The shepherd led the flock into the fold for the night.
A geological formation where layers of rock have been bent or curved. The mountain range was formed by a series of folds in the earth's crust.
Anatomy: a ridge or pleat of tissue or membrane in the body. The physician noted inflammation along the vocal folds.