/ Dictionary / Index P pyx: Meaning and Definition of Find definitions for: pyx Pronunciation: (piks), [key] — n. the box or vessel in which the reserved Eucharist or Host is kept. a watch-shaped container for carrying the Eucharist to the sick. Also calleda box or chest at a mint, in which specimen coins are deposited and reserved for trial by weight and assay. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pyx (Thesaurus) pyuria pyxidium Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language