/ Dictionary / Index P probationer: Meaning and Definition of Find definitions for: pro•ba•tion•er Pronunciation: (prō-bā'shu-nur), [key] — n. a person undergoing probation or trial. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: probationer (Thesaurus) probation probation officer Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language