/ Dictionary / Index O ot-: Meaning and Definition of Find definitions for: ot- Pronunciation: [key] var. ofbefore a vowel: otalgia. OT Pronunciation: [key] occupational therapy. Old Testament. overnight telegram. overtime. O.T. Pronunciation: [key] Old Testament. o.t. Pronunciation: [key] overtime. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Oświęcim OTA Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language