/ Dictionary / Index P portability: Meaning and Definition of Find definitions for: port•a•bil•i•ty Pronunciation: (pôr"tu-bil'i-tē, pōr"-), [key] — pl. -ties the state or quality of being portable. a plan or system under which employees may accumulate pension rights under any employer who is a participant in the plan negotiated with their union. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: portability (Thesaurus) port portable Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language