Assertion: fold | /r/HasProperty | undulation
Facets:
Source sentences:
text: Definition of fold (Entry 2 of 5) 1 : a part doubled or laid over another part : pleat a part doubled or laid over another part 2 : a crease made by folding something (such as a newspaper) 3 : something that is folded together or that enfolds 4 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 5 : a margin apparently formed by the doubling upon itself of a flat anatomical structure (such as a membrane)