/ Dictionary / Index O obi: Meaning and Definition of Find definitions for: o•bi Pronunciation: (ō'bē Japn. ô'bē), [key] — pl. o•bis, o•bi. a long, broad sash tied about the waist over a Japanese kimono. o•bi Pronunciation: (ō'bē), [key] — pl. o•bis. obeah. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: obi (Thesaurus) ob-gyn Obie Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language