/ Dictionary / Index L locus classicus*: Meaning and Definition of Find definitions for: lo•cus clas•si•cus Pronunciation: (lō'koos kläs'si-koos" Eng. lō'k&schwas klas'i-k&schwas), [key] — pl. lo•ci clas•si•ci classical source: a passage commonly cited to illustrate or explain a subject or word. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. locus locus in quo* Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language