(A name for) the Russian colonial possessions in the Americas (chiefly in the present State of Alaska), prior to their purchase from Russia by the United States in 1867.
Origin
Early 19th century.
Definition of Russian America in US English:
Russian America
noun
historical
(A name for) the Russian colonial possessions in the Americas (chiefly in the present State of Alaska), prior to their purchase from Russia by the United States in 1867.