/ Dictionary / Index O Occupational Safety and Health Administration: Meaning and Definition of Find definitions for: Occupa'tional Safe'ty and Health' Administra"tion. Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. occupational hazard occupational therapy Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language