A more-or-less straight sequence of people, objects, etc., either arranged as a queue or column and often waiting to be processed or dealt with, or arranged abreast of one another in a row (and contrasted with a column), as in a military formation.
A school punishment in which a student must repeatedly write out a line of text related to the offence (e.g. "I must be quiet in class") a specified number of times; the lines of text so written out.