Breadcrumb Home > Dictionary > Index Q Quantico: Meaning and Definition of Find definitions for: Quan•ti•co Pronunciation: (kwon'ti-kō"), [key] — n. a U.S. Marine Corps base and development and education command in NE Virginia, NE of Fredericksburg on the Potomac River. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quantic quantifier ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language