EMBAYMENT • DICCIONARIO INGLES.COM • Definition of Embayment

... according to the character of their surface: the Atlantic coastal plain, the prairies, the northwestern peneplain, and the southwestern high plains. The Atlantic coastal plain lies along the Atlantic coast from New York southward to Florida and Alabama. It also forms a great embayment up the Mississippi Valley as far as the Ohio River, and it extends along the shore of the Gulf of Mexico to the Rio Grande. The chief characteristic of this Atlantic and Gulf coastal plain is its belted ...

— The Red Man's Continent - A Chronicle of Aboriginal America, Volume 1 In The - Chronicles Of America Series • Ellsworth Huntington