/ Dictionary / Index O oscine: Meaning and Definition of Find definitions for: os•cine Pronunciation: (os'in, -īn), [key] — adj. of, belonging to, or pertaining to the suborder Oscines, of the order Passeriformes, comprising the songbirds that have highly developed vocal organs. —n. an oscine bird. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oscine (Thesaurus) oscilloscope oscitant Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language