Noun
-
one of two or more layers one atop another
"tier upon tier of huge casks"
"a three-tier wedding cake"
-
something that is used for tying
"the sail is fastened to the yard with tiers"
-
a worker who ties something
- tier up -
any one of two or more competitors who tie one another
-
a relative position or degree of value in a graded group
"lumber of the highest grade"