/sev"euhn tee ith/ , adj.
1. next after the sixty-ninth; being the ordinal number for 70.
2. being one of 70 equal parts.
n.
3. a seventieth part, esp. of one ( 1 / 70 ).
4. the seventieth member of a series.
[ 1250-1300; ME seventithe. See SEVENTY, -ETH 2 ]