Chiefly Anatomy and Zoology. The action of doubling over or folding.

The action of fold, v.1 in its various senses; a doubling together, rolling up, etc.; the result of such action. spec. (see quot. 1874).

The action of folding or arranging in pleats; (figurative) the action of arranging in proper order.

The action of folding up or back; the result of this; a fold. Obsolete.

The action of folding (obsolete), coiling, twisting, or winding together; the condition of being coiled or convoluted.

The action of turning or wrapping something in on itself; a turning, a folding. Also with in.

The action of folding; †a clasp or embrace.

The folding of any substance; a fold.

The action of process of folding.