tier 1 
(tîr)
(tîr)n.
1. One of a series of rows placed one above another: a stadium with four tiers of seats.
2. A rank or class.
tr. & intr.v. tiered, tier·ing, tiers
To arrange (something) into or rise in tiers: tier a wedding cake; balconies that tier upward.
[Middle English tire, row, rank, from Old French, from tirer, to draw out; see TIRADE.]
- high noon
- high-octane
- high off the hog
- high on/off the hog
- high on the hog
- high-pass filter
- high-pitched
- high place
- High Point
- high-power
- high-powered
- high-pressure
- high priest
- high priestess
- high priesthood
- high profile
- high-profile
- high relief
- high-res
- high-resolution
- high-rise
- high-risk
- high road
- highroad
- high roller