/ Dictionary / Index J Jeans: Meaning and Definition of Find definitions for: Jeans Pronunciation: ( jēnz), [key] 1877–1946, English astrophysicist and author. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jeans (Thesaurus) Jeannie Jebb Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language