For"ty , n.; pl.
Forties (-t&ibreve;z). 1. The sum of four tens; forty units or objects.
2. A symbol expressing forty units; as, 40, or xl.
For"ty (fôr"t&ybreve;), a. [OE.
forti, fourti, fowerti, AS.
feówertig; feówer four +
suff. - tig ten; akin to OS.
fiwartig, fiartig, D. veertig, G. vierzig, Icel. fjörutīu, Sw. fyratio,
Dan. fyrretyve, Goth.
fidwōr tigjus. See
Four, and Ten, and cf. Fourteen.]
Four
times ten; thirty-nine and one
more.