adj. & n. (pl. ies) 1 five times ten. 2 symbol for this (50, I, L). 3 (in pl.) numbers from 50 to 59, esp. the years of a century or of a person’s life. 2 fiftieth adj. & n. [Old English]
adj. & n. (pl. ies) 1 five times ten. 2 symbol for this (50, I, L). 3 (in pl.) numbers from 50 to 59, esp. the years of a century or of a person’s life. 2 fiftieth adj. & n. [Old English]