/ Dictionary / Index C CTA: Meaning and Definition of Find definitions for: CTA Pronunciation: [key] commodities trading adviser. C.T.A. Pronunciation: [key] — Law. Law. with the will annexed: an administrator C.T.A. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. CT CTC Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language