/ Dictionary / Index H hereditary: Meaning and Definition of Find definitions for: he•red•i•tar•y Pronunciation: (hu-red'i-ter"ē), [key] — adj. passing, or capable of passing, naturally from parent to offspring through the genes:Cf. congenital. Blue eyes are hereditary in our family. of or pertaining to inheritance or heredity: a hereditary title. existing by reason of feeling, opinions, or prejudices held by predecessors: a hereditary enemy. a hereditary proprietor. descending by inheritance. transmitted or transmissible in the line of descent by force of law. holding title, rights, etc., by inheritance:a hereditary proprietor. (of a collection of sets) signifying that each subset of a set in the collection is itself a set in the collection. of or pertaining to a mathematical property, as containing a greatest integer, applicable to every subset of a set that has the property. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hereditary (Thesaurus) hereditarian heredity Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language