/ Dictionary / Index A American Samoa: Meaning and Definition of Find definitions for: Amer'ican Samo'a Pronunciation: [key] the part of Samoa belonging to the U.S., comprising mainly Tutuila and the Manua Islands. 29,000; 76 sq. mi. (197 sq. km). Cap.: Pago Pago. Abbr.: AS (for use with zip code). Cf. Samoa, Western Samoa. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. American saddle horse American senna Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language