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Dictionary


fourth' class'




(in the U.S. Postal Service) the class of mail consisting of merchandise weighing one pound or more, including parcel post and all first-, second-, or third-class matter weighing 8 oz. (227 g) or more and not sealed against inspection.

fourth-class



Pronunciation: (fôrth'klas', -kläs', fōrth'-), [key]
adj.
of, pertaining to, or designated as a class next below third, as for mailing, shipping, etc.

adv.
as fourth-class matter; by fourth-class mail: Send it fourth-class.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Fourth AmendmentFourth Commandment

 

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