U.S.A., United States, United States of America, US, USA, America, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776

rank - relative status; "his salary was determined by his rank and seniority"

common fraction, simple fraction - the quotient of two integers

ordinal - being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh"