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.

 ◄ ►


 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"