pam·pe·an \ˈpampēən, ˈpäm-, ̷ ̷ˈ ̷ ̷ ̷ ̷\adjective Etymology: American Spanish pampa + English -an 1.: of or relating to the pampas of So. America 2.usually capitalized a.: of or relating to the Indian inhabitants of the So. American pampas b.: araucanian