'mid-seventies' definitions:

Definition of 'mid-seventies'

From: WordNet
noun
The time of life between 70 and 80 [syn: seventies, mid- seventies]

Definition of 'mid-seventies'

From: GCIDE
  • mid-seventies \mid-seventies\ n. the time of life between 70 and 80.
  • Syn: seventies. [WordNet 1.5]