Word Study
tier
CIDE DICTIONARY
tier, n.
One who, or that which, ties. [1913 Webster]
tier, n. [See Tire a headdress.].
A chold's apron covering the upper part of the body, and tied with tape or cord; a pinafore. [1913 Webster]
tier, n. [Perhaps fr. OF. tire, F. tire; probably of Teutonic origin; cf. OHG. ziarī ornament, G. zier, AS. tīr glory, tiér 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]
OXFORD DICTIONARY
tier, n.
1 a row or rank or unit of a structure, as one of several placed one above another (tiers of seats).
2 Naut. a a circle of coiled cable. b a place for a coiled cable.
1 a row or rank or unit of a structure, as one of several placed one above another (tiers of seats).
2 Naut. a a circle of coiled cable. b a place for a coiled cable.
Derivative
tiered adj. (also in comb.).
Etymology
earlier tire f. F f. tirer draw, elongate f. Rmc
THESAURUS
tier
Indian file, array, articulation, band, bank, bed, bedding, belt, buzz, category, catena, catenation, chain, chain reaction, chaining, concatenation, connection, consecution, continuum, couche, course, cycle, deck, descent, drone, echelon, endless belt, endless round, file, filiation, floor, gallery, gamut, gradation, grade, group, grouping, hum, layer, league, ledge, level, line, lineage, measures, monotone, nexus, order, overlayer, overstory, pendulum, periodicity, pigeonhole, plenum, powder train, progression, queue, range, rank, recurrence, reticulation, rotation, round, routine, row, run, scale, seam, sequence, series, shelf, single file, spectrum, stage, step, story, stratum, string, substratum, succession, superstratum, swath, thickness, thread, topsoil, train, underlayer, understory, understratum, windrow, zoneROGET THESAURUS
tier
Continuity
N continuity, consecution, consecutiveness, succession, round, suite, progression, series, train chain, catenation, concatenation, scale, gradation, course, ceaselessness, constant flow, unbroken extent, procession, column, retinue, cortege, cavalcade, rank and file, line of battle, array, pedigree, genealogy, lineage, race, ancestry, descent, family, house, line, line of ancestors, strain, rank, file, line, row, range, tier, string, thread, team, suit, colonnade, continuous, continued, consecutive, progressive, gradual, serial, successive, immediate, unbroken, entire, linear, in a line, in a row, uninterrupted, unintermitting, unremitting, unrelenting (perseverence), perennial, evergreen, constant, continuously, seriatim, in a line, in succession, in turn, running, gradually, step by step, gradatim, at a stretch, in file, in column, in single file, in Indian file.Layer
N layer, stratum, strata, course, bed, zone, substratum, substrata, floor, flag, stage, story, tier, slab, escarpment, table, tablet, dess, flagstone, board, plank, trencher, platter, plate, lamina, lamella, sheet, foil, wafer, scale, flake, peel, coat, pellicle, membrane, film, leaf, slice, shive, cut, rasher, shaving, integument, eschar, stratification, scaliness, nest of boxes, coats of an onion, monolayer, bilayer, trilayer, lamellar, lamellated, lamelliform, layered, laminated, laminiferous, micaceous, schistose, schistous, scaly, filmy, membranous, pellicular, flaky, squamous, foliated, foliaceous, stratified, stratiform, tabular, discoid, spathic, spathose, trilamellar, graphitic.For further exploring for "tier" in Webster Dictionary Online