foldˈer noun

1. A person or thing that folds
2. A flat knifelike instrument used in folding paper
3. A folding case for loose papers
4. A folded circular
5. Another name for a directory (computing)

foldˈing adjective

That folds or that can be folded

1. A fold or pleat
2. The bending of strata, usu as the result of compression (geology)

foldˈaway adjective

That can be folded and put away

foldboat see faltboat

folded mountains plural noun (geology)

Mountains produced by folding processes

folding door noun

A door consisting of two parts hung on opposite jambs

foldˈing-machine noun

A mechanism that automatically folds printed sheets

folding money noun (informal)

Paper money

foldˈout adjective and noun

(a large page, eg containing a diagram) folded to fit into a book, and to be unfolded for reading (also gateˈfold)

fold in (cookery)

To mix in carefully and gradually, without stirring