
1) Amphitheater feature 2) Amphitheater level 3) Amphitheater section 4) Arena level 5) Arena part 6) Arena seating 7) Arena seating level 8) Arena section 9) Arrange in layers 10) Auditorium balcony 11) Auditorium level 12) Balcony 13) Ballpark level 14) Bank 15) Bank of rows 16) Bank of seats 17) Big cake layer
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https://www.crosswordclues.com/clue/tier

1) Echelon 2) Layer 3) Level 4) Row 5) Stratum
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https://www.crosswordclues.com/clue/tier

- something that is used for tying
- one of two or more layers one atop another
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• (n.) One who, or that which, ties. • (n.) A chold`s apron covering the upper part of the body, and tied with tape or cord; a pinafore. • (v. t.) 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.
Found on
http://thinkexist.com/dictionary/meaning/tier/

a term used to denote a solid of revolution around the axis of a machine, at the peripheral extremities of the end windings of groups of coils of a concentric winding, at each end of the machine NOTE - A concentric winding is said to have one, two or more tiers according to the number of these solids of revolution.
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=411-38-20
Ti'er noun One who, or that which, ties.
Found on
http://www.encyclo.co.uk/webster/T/56
Tier noun [ Perhaps from Old French
tire , French
tire ; probably of Teutonic origin; confer Old High German
ziarī ornament, German
zier , Anglo-Saxon
tīr glory,
tiér row, rank. But confer also French
tirer to draw, pull; of Teutonic ori...
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http://www.encyclo.co.uk/webster/T/56

Generally refers to one layer of a unitized pallet load. Also, may refer to layers of storage which are of the same height.
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http://www.mhia.org/learning/glossary/t

[
n] - any one of two or more competitors who tie one another 2. [n] - a worker who ties something 3. [n] - something that is used for tying 4. [n] - one of two or more layers one atop another
Found on
http://www.webdictionary.co.uk/definition.php?query=tier

To stack cakes of graduating sizes.
Found on
http://www.wrenscottage.com/kitchen/glossary.php
noun one of two or more layers one atop another; `tier upon tier of huge casks`; `a three-tier wedding cake`
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.