[all-Amer.i.can] adj (1888) 1 a also all-Amer.i.ca : selected (as by a poll of journalists) as one of the best in the U.S. in a particular category at a particular time "an ~ quarterback" b: having only all-American participants "an ~ basketball team"
2: composed wholly of American elements
3: representative or typical of the U.S. or its ideals "an ~ boy" "her ~ optimism"
4: of or relating to the American nations as a group
[2]all-American n (1920): one (as an athlete) that is voted all-American