tier

US /tɪr/
UK /tɪr/
"tier" picture
1.

one of a series of rows or levels placed one above another

:
The wedding cake had three tiers.
The stadium has multiple tiers of seating.
2.

a level in an organization or system

:
She works at the top tier of management.
The company offers different service tiers.
1.

arrange in tiers

:
The seats were tiered to provide a good view for everyone.
The garden beds were tiered down the hillside.