WordReference Random House Unabridged Dictionary of American English © 2020
sev•en•ty-first (sev′ən tē fûrst′),USA pronunciation adj.
- next after the seventieth;
being the ordinal number for 71.
- being one of 71 equal parts.
- a seventy-first part, esp. of one (&fracnumer;
- the seventy-first member of a series.
'seventy-first' also found in these entries: