tier

nouns

a relative position or degree of value in a graded group
"lumber of the highest grade"
grade, level, tier
any one of two or more competitors who tie one another
tier
is derived from
tie
is a type of (narrower)
the contestant you hope to defeat
"he had respect for his rivals"; "he wanted to know what the competition was doing"
challenger, competition, competitor, contender, rival
a worker who ties something
tier, tier up
is derived from
tie
something that is used for tying
"the sail is fastened to the yard with tiers"
tier
is derived from
tie
is a type of (narrower)
a strong line
rope
one of two or more layers one atop another
"tier upon tier of huge casks"; "a three-tier wedding cake"
tier
is a type of (narrower)
single thickness of usually some homogeneous substance
"slices of hard-boiled egg on a bed of spinach"
bed, layer