(to make) a line on cloth, paper etc made by crushing, folding or pressing

fold, wrinkle

a part (of a card, paper etc) that is folded

double thickness

a long cut in the ground made by a plough; a long wrinkle on the forehead

ditch

a long, hollow area in the surface of a hard material, especially one made for something that slides along it, e.g. a sliding door or window

channel, indentation

a front part of a coat or jacket that is folded back and forms part of the collar

fold

earth, rock etc carried and deposited by a glacier

raised part of solid

fold

fold

a raised line where two sloping surfaces meet; a long mountain range; a long stretch of high land between the tops of a line of hills

raised part of solid

irregular fold or crease (especially in cloth)

fold

a small fold or line in the skin (especially of the kind produced by age) or on the surface of something

crinkle, fold