rare1. [f. FOLD v.1 + -URE.] The action or process of folding.

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1823.  Lamb, Lett. (1888), II. 72–1. My letters are generally charged as double at the Post Office, from their inveterate clumsiness of foldure; so you must not take it disrespectfully to yourself if I send you such ungainly scraps.

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