tier
🇺🇸
/tɪr/
🇬🇧
/tɪə(r)/
noun
R
A level of something that is stacked above or below other levels.
The stadium has many tiers of seats for the audience.
スタジアムには観客用の何層かの座席があります。
R
A level in a system or organization.
The company added a new tier to its management structure.
会社は管理構造に新しい階層を追加しました。
translation
層, 階層
語形変化
Plural
tiers