tiers
nounUK /tɪəz/
US /tɪrz/
Rows or levels that are stacked one above another.
The wedding cake had three tiers, each decorated with flowers.
OTHER MEANINGS
2. Different levels or ranks in an organization or system.
The company offers three tiers of membership with different benefits.
3. Rows of seats arranged at different heights, as in a stadium or theater.
We sat in the upper tiers and could see the whole field.
4. One of several stages in a process or competition.
The tournament has multiple tiers, and winners move up to the next one.