/fif"tee ith/ , adj.
1. next after the forty-ninth; being the ordinal number for 50.
2. being one of 50 equal parts.
n.
3. a fiftieth part, esp. of one ( 1 / 50 ).
4. the fiftieth member of a series.
[ bef. 1000; ME fiftithe, OE fiftigotha. See FIFTY, -TH 2 ]