THIRD CLASS

{n.} 1. The third best or highest group; the class next after the second class. * /Mary won the pie-making contest in the third class, for the youngest girls./ 2. Mail that is printed, other than magazines and newspapers that are published regularly, and packages that are not sealed and weigh less than a pound. * /The company uses third class to mail free samples of soap./ 3. The least expensive class of travel. * /I couldn't afford anything better than the third class on the ship coming home from France./ Compare: FIRST CLASS, SECOND CLASS.