/ Dictionary / Index T tideland: Meaning and Definition of Find definitions for: tide•land Pronunciation: (tīd'land"), [key] — n. land alternately exposed and covered by the ordinary ebb and flow of the tide. Often,submerged offshore land within the territorial waters of a state or nation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tideland (Thesaurus) tidehead tide lock Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language