Rank1  —n. 1 a position in a hierarchy, grade of advancement. B distinct social class; grade of dignity or achievement. C high social position. D place in a scale. 2 row or line. 3 single line of soldiers drawn up abreast. 4 place where taxis await customers. 5 order, array. —v. 1 have a rank or place. 2 classify, give a certain grade to. 3 arrange (esp. Soldiers) in rank.  close ranks maintain solidarity. The ranks common soldiers. [french ranc]