n A row of people or things organized in a grid pattern, often soldiers [the corresponding term for the perpendicular columns in such a pattern is "file"].
n (chess) one of the eight horizontal lines of squares on a chessboard [the corresponding term for a vertical line is "file"].
n (music) In a pipe organ, a set of pipes of a certain quality for which each pipe corresponds to one key or pedal.
n One's position in a list sorted by a shared property such as physical location, population, or quality
n (anchor|class)The level of one's position in a class-based society