fortya.[OE. forti, fourti, fowerti, AS. fewertig; fewer four + suff. -tig ten; akin to OS. fiwartig, fiartig, D. veertig, G. vierzig, Icel. fjrutu, Sw. fyratio, Dan. fyrretyve, Goth. fidwr tigjus. See Four, and Ten, and cf. Fourteen.] Four times ten; thirty-nine and one more.()n.1. The sum of four tens; forty units or objects.()2. A symbol expressing forty units; as, 40, or xl.()