/ Dictionary / Index A Althing: Meaning and Definition of Find definitions for: Al•thing Pronunciation: (äl'thing, ôl'-), [key] — n. the parliament of Iceland, consisting of an upper and a lower house. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. althea altho Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language