/ Dictionary / Index E Eastern Aden Protectorate: Meaning and Definition of Find definitions for: East'ern A'den Protec'torate Pronunciation: [key] a former British protectorate, now the E part of the People's Democratic Republic of Yemen: composed of the Arab sheikdoms of Hadhramaut and the island of Socotra. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. eastern Eastern Algonquian Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language