Breadcrumb Home > Dictionary > Index N nasion: Meaning and Definition of Find definitions for: na•si•on Pronunciation: (nā'zē-on"), [key] — n. Craniom. the intersection of the internasal suture with the nasofrontal suture in the midsagittal plane. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nasion (Thesaurus) Nasik Naskapi ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language