/ Dictionary / Index P petitionary: Meaning and Definition of Find definitions for: pe•ti•tion•ar•y Pronunciation: (pu-tish'u-ner"ē), [key] — adj. of the nature of or expressing a petition. petitioning; suppliant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: petitionary (Thesaurus) petition petitio principii Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language