/ Dictionary / Index O orchestrion: Meaning and Definition of Find definitions for: or•ches•tri•on Pronunciation: (ôr-kes'trē-un), [key] — n. a mechanical musical instrument, resembling a barrel organ but more elaborate, for producing the effect of an orchestra. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. orchestrate orchi- Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language