Meaning of two-tier

two-tier

Pronunciation: (t'tēr'), [key]
— adj.
  1. consisting of two tiers, floors, levels, or the like: a two-tier wedding cake.
  2. consisting of two separate price structures, sets of regulations, etc.: a two-tier fare system for subways and buses.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.