/ Dictionary / Index W weather vane: Meaning and Definition of Find definitions for: weath'er vane" Pronunciation: [key] a device, as a rod to which a freely rotating pointer is attached, for indicating the direction of the wind. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: weathervane (Thesaurus) weathertight weather-wise Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language