tier

B2 · Upper Intermediate Countable noun Theater

n. a row of seats where each row is higher than the one in front.

n. a row or range of structures, especially seating, arranged at a higher or lower level than another.

“We sat in the upper tier of the stadium to get a better view of the pitch.”

“The ancient amphitheatre featured multiple tiers of stone seating designed to provide perfect acoustics for every spectator.”

C1 · Advanced Formal

v. to organize things into different levels or layers.

v. to arrange or stack items in overlapping or sequential layers.

“The gardener decided to tier the plants so the smaller ones were in front.”

“The landscape architect chose to tier the garden beds along the slope to prevent soil erosion during heavy rains.”

C1 · Advanced Computing Technical

v. to move computer data between different types of storage to save money or space.

v. to move data between different storage media as an optimization strategy based on access frequency.

“The system will automatically tier your files to the cloud if you don't use them often.”

“By implementing a policy to tier cold data to cheaper archival storage, the company significantly reduced its monthly infrastructure costs.”