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Definition of Promptuary
1. a. Of or pertaining to preparation.
2. n. That from which supplies are drawn; a storehouse; a magazine; a repository.
Definition of Promptuary
1. Noun. (arithmetic) A device described in Napier's treatise ''Rabdologiæ'', consisting of a large set of strips used to multiply multi-digit numbers more easily than Napier’s bones. ¹
¹ Source: wiktionary.com