Fif"ty (?), a. [AS. fiftig; akin to OHG. finfzug, fimfzug, G. funfzig, funfzig, Goth. fimftigjus. See Five, and Ten, and cf. Fifteen.]
Five times ten; as, fifty men.
© Webster 1913.
Fif"ty, n.; pl. Fifties ().
1.
The sum of five tens; fifty units or objects.
2.
A symbol representing fifty units, as 50, or l.
© Webster 1913.