/ Dictionary / Index P paster: Meaning and Definition of Find definitions for: past•er Pronunciation: (pā'stur), [key] — n. a slip of paper gummed on the back, to be pasted on or over something, as over a name on a ballot. a person or thing that pastes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: paster (Thesaurus) paste-on pastern Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language