TIER


Meaning of TIER in English

I. tier ˈtir noun

Etymology: Middle French tire rank, from Old French — more at attire

Date: 1569

1.

a. : a row, rank, or layer of articles ; especially : one of two or more rows, levels, or ranks arranged one above another

b. : a group of political or geographic divisions that form a row across the map

the southern tier of states

2. : class , category

II. tier verb

Date: circa 1889

transitive verb

: to place or arrange in tiers

intransitive verb

: to rise in tiers

III. ti·er noun

or ty·er ˈtī(-ə)r

Date: 1633

: one that ties

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.