/ Dictionary / Index N na: Meaning and Definition of Find definitions for: na Pronunciation: (nä, nu), [key] — Chiefly Scot. Chiefly Scot. —adv. no. not; in no way; by no means. —conj. nor; neither. NA Pronunciation: [key] not applicable. not available. Na Pronunciation: [key] — Symbol, Chem. sodium. n/a Pronunciation: [key] no account. not applicable. N.A. Pronunciation: [key] National Army. North America. not applicable. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: na (Thesaurus) N, n NAA Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language