TIER, n. A row a rank particularly when two or more rows are placed one above another as a tier of seats in a church or theater. Thus in ships of war, the range of guns on one deck and one side of a ship, is called a tier. Those on the lower deck are called the lower tier, and those above,the middle or upper tiers. Ships with three tiers of guns are three deckers.
The tiers of a cable are the ranges of fakes or windings of a cable,laid one within another when coiled.
Tier, in organs, is a rank or range of pipes in the front of the instrument, or in the interior, when the compound stops have several ranks of pipes.
The King James Bible has stood its ground for nearly 400 years. However, during that time the English language has changed, and with it the meanings of some words it used. Here are more than 6,500 words whose definitions have changed since 1611.Wikipedia
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