/ Dictionary / Index P pilaster: Meaning and Definition of Find definitions for: pi•las•ter Pronunciation: (pi-las'tur), [key] — n. Archit. a shallow rectangular feature projecting from a wall, having a capital and base and usually imitating the form of a column. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pilaster (Thesaurus) pilar pilastered Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language