/ Dictionary / Index V vector function: Meaning and Definition of Find definitions for: vec'tor func"tion Pronunciation: [key] — Math. Math. a function that assigns a vector to each point in a given set. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vector field vector graphics Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language