tier /ˈtɪr/
列,行,排,層,等級
tier
同等
Ti·er, n. A chold's apron covering the upper part of the body, and tied with tape or cord; a pinafore. [Written also tire.]
Ti·er n. One who, or that which, ties.
Tier n. A row or rank, especially one of two or more rows placed one above, or higher than, another; as, a tier of seats in a theater.
Tiers of a cable, the ranges of fakes, or windings, of a cable, laid one within another when coiled.
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tier
n 1: a relative position or degree of value in a graded group;
"lumber of the highest grade" [syn: grade, level]
2: any one of two or more competitors who tie one another
3: a worker who ties something [syn: tier up]
4: something that is used for tying; "the sail is fastened to
the yard with tiers"
5: one of two or more layers one atop another; "tier upon tier
of huge casks"; "a three-tier wedding cake"