/ Dictionary / Index R row vector: Meaning and Definition of Find definitions for: row' vec"tor Pronunciation: (rō), [key] — Math. Math. a collection of numbers, as the components of a vector, written horizontally. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rowlock roxanne Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language