Exact historical dictionary sense
American in Webster's 1913 dictionary
The 1913 record labels american as adjective. Its source-bounded etymology and selected historical definition appear below.
[Named from Americus Vespucius.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "american" is labeled adjective. Its etymology is recorded as: "[Named from Americus Vespucius.]" The selected historical definition says: "Of or pertaining to America; as, the American continent: American Indians."