/ Dictionary / Index J jus sanguinis: Meaning and Definition of Find definitions for: jus san•gui•nis Pronunciation: ( jus' sang'gwu-nis), [key] — Law. Law. the principle that the country of nationality of a child is that of the country of nationality of the parents. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jus primae noctis Jusserand Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language