third class

English Thesaurus

1. inexpensive accommodations on a ship or train (noun.artifact)

hypernym	:	accommodation,
definition	:	living quarters provided for public convenience (noun.artifact)

2. mail consisting of printed matter qualifying for reduced postal rates (noun.communication)

hypernym	:	mail,
definition	:	the bags of letters and packages that are transported by the postal service (noun.communication)

hyponym	:	junk mail,
definition	:	third-class mail consisting of advertising and often addressed to `resident' or `occupant' (noun.communication)