Real Dictionary

rank
a method, practice, or examination designed to test a person or thing [...]
a mutual or reciprocal relationship between two or more things [...]
a position, esp an official one, within a social organization, esp the armed forces [...]
the result of the addition of numbers, quantities, objects, etc [...]
variable noun: Someone's rank is the position or grade that they have in an organization.
variable noun: Someone's rank is the social class, especially the high social class, that they belong to.
verb: If an official organization ranks someone or something 1st, 5th, or 50th, for example, they calculate that the person or thing has that position on a scale. You can also say that someone or something ranks 1st, 5th, or 50th, for example.
verb: If you say that someone or something ranks high or low on a scale or if you rank them high or low, you are saying how good or important you think they are.
verb: If you say that someone or something ranks with a group of famous people or things, you mean that they are extremely good and should be included in that group.