'back-to-back' definitions:

Definition of 'back-to-back'

From: WordNet
adjective
One after the other; "back-to-back home runs" [syn: back-to-back, consecutive]

Definition of 'back-to-back'

From: GCIDE
  • back-to-back \back-to-back\ adj.
  • 1. occurring immediately one after the other; consecutive. back-to-back home runs
  • Syn: consecutive. [WordNet 1.5]
  • 2. oriented with the backs toward each other, and sometimes touching. [WordNet 1.5]