ETYM Cf. LG. krus, German krause, crispness, krausen, kräusen, to crisp, curl, lay on folds; or perh. of Celtic origin; cf. Armor. kriz a wrinkle, crease, kriza to wrinkle, fold, W. crych a wrinkle, crychu to rumple, ripple, crease.
A fold or pleat.
In geology, a bend in beds or layers of rock. If the bend is arched in the middle it is called an anticline; if it sags downward in the middle it is called a syncline. The line along which a bed of rock folds is called its axis. The axial plane is the plane joining the axes of successive beds.
1. A folded part (as a fold of skin or muscle); SYN. plica.
2. A pen for sheep; SYN. sheepfold, sheep pen, sheepcote.
3. An angular shape made by folding; SYN. crease, plication, flexure, crimp, bend.
4. The act of folding; SYN. folding.