a part (of a card, paper etc) that is folded
double thickness
Cases of word usage
1) a fold made by doubling cloth on itself (pleat)
2) irregular fold or crease (especially in cloth) (ruck)
3) a flat, stitched fold of cloth; (GB informal) food, especially the cakes, pastry etc that children enjoy; to push, fold, (something) into a small space (tuck)
4) a small fold or line in the skin (especially of the kind produced by age) or on the surface of something (wrinkle)
