/ Dictionary / Index X X-linked: Meaning and Definition of Find definitions for: X-linked Pronunciation: (eks'lingkt"), [key] — adj. Genetics. of or pertaining to a trait controlled by a gene or genes on thechromosome. of or pertaining to a gene on anchromosome. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: x-linked (Thesaurus) x-line Xmas Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language