Meaning of FOLD in English

FOLD

n.

Function: noun

Date: 13th century

1 : a part doubled or laid over another part : PLEAT

2 : something that is folded together or that enfolds

3 a : a bend or flexure produced in rock by forces operative after the depositing or consolidation of the rock b chiefly British : an undulation in the landscape

4 : a margin apparently formed by the doubling upon itself of a flat anatomical structure (as a membrane)

5 : a crease made by folding something (as a newspaper)

fold 3a

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.