/ Dictionary / Index P paraboloid: Meaning and Definition of Find definitions for: pa•rab•o•loid Pronunciation: (pu-rab'u-loid"), [key] — n. Geom. a surface that can be put into a position such that its sections parallel to at least one coordinate plane are parabolas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: paraboloid (Thesaurus) parabolize parabrake Related Content Daily Word Quiz: rarefied Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language