/ Dictionary / Index C cello: Meaning and Definition of Find definitions for: cel•lo Pronunciation: (chel'ō), [key] — pl. -los. the second largest member of the violin family, rested vertically on the floor between the performer's knees when being played. Also called cel•lo Pronunciation: (sel'ō), [key] — n., adj. Informal. cellophane. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cello (Thesaurus) cell membrane cellobiose Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language