WordReference Random House Unabridged Dictionary of American English © 2020
sev•en•ty-sev•enth (sev′ən tē sev′ənth),USA pronunciation adj.
- next after the seventy-sixth;
being the ordinal number for 77.
- being one of 77 equal parts.
- a seventy-seventh part, esp. of one (&fracnumer;
- the seventy-seventh member of a series.
'seventy-seventh' also found in these entries: