/ Dictionary / Index M mail order: Meaning and Definition of Find definitions for: mail' or"der Pronunciation: [key] an order for goods received or shipped through the mail. the business of selling merchandise through the mail. mail-or•der Pronunciation: (māl'ôr"dur), [key] — adj. pertaining to or obtained by mail order: a dozen mail-order rosebushes. —v.t. to order (merchandise) by mail: to mail-order fruitcakes for Christmas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mailman mail-order house Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language