/ Dictionary / Index F family plan: Meaning and Definition of Find definitions for: fam'ily plan" Pronunciation: [key] a special rate, esp. of air passenger carriers, under which the head of a household purchasing a full-fare ticket may take other family members at reduced fares on certain days. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. family of curves family planning Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language