'mid-nineties' definitions:

Definition of 'mid-nineties'

From: WordNet
noun
The time of life between 90 and 100 [syn: nineties, mid- nineties]

Definition of 'mid-nineties'

From: GCIDE
  • mid-nineties \mid-nineties\ n. the time of life between 90 and 100.
  • Syn: nineties. [WordNet 1.5]