'Tier' definitions:

Definition of 'tier'

From: WordNet
noun
A relative position or degree of value in a graded group; "lumber of the highest grade" [syn: grade, level, tier]
noun
Any one of two or more competitors who tie one another
noun
A worker who ties something [syn: tier, tier up]
noun
Something that is used for tying; "the sail is fastened to the yard with tiers"
noun
One of two or more layers one atop another; "tier upon tier of huge casks"; "a three-tier wedding cake"

Definition of 'Tier'

From: GCIDE
  • Tier \Ti"er\, n. One who, or that which, ties. [1913 Webster]

Definition of 'Tier'

From: GCIDE
  • Tier \Ti"er\, n. [See Tire a headdress.] A chold's apron covering the upper part of the body, and tied with tape or cord; a pinafore. [Written also tire.] [1913 Webster]

Definition of 'Tier'

From: GCIDE
  • Tier \Tier\, n. [Perhaps fr. OF. tire, F. tire; probably of Teutonic origin; cf. OHG. ziar[imac] ornament, G. zier, AS. t[imac]r glory, ti['e]r row, rank. But cf. also F. tirer to draw, pull; of Teutonic origin. Cf. Attire, v. t., Tire a headdress, but also Tirade.] 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. [1913 Webster]
  • Tiers of a cable, the ranges of fakes, or windings, of a cable, laid one within another when coiled. [1913 Webster]