/ Dictionary / Index H Heian: Meaning and Definition of Find definitions for: Hei•an Pronunciation: (hā'än'), [key] — adj. of or pertaining to the period in Japan, a.d. 794–1185, characterized by the modification and naturalization of ideas and institutions that were earlier introduced from China. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. he-huckleberry Heidegger 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