Tier

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Tier

One of a series of rows arranged one above the other.

tier

A row, or a group of rows placed one above the other, as rows of seats in a theater or of beams in construction.
References in periodicals archive ?
They also announced on their Facebook site that Top Tier was closing and customers left over could go to them.
The blue-green light in incoming sunlight passes unaltered through the top tier and reaches the bottom tier, which reflects it.
Whether we open the top tier will depend on demand for the tickets,'' said a spokesperson.
Those molders who aspire to the top tier will be the ones with the vision to break out of molding's traditional boundaries.
Top Tier gasoline also helps prevent rough idling, hesitation and stalling.