Definition of "Beau"

'Mees Melly, I hear she call her boy "Beauregard". You tell her I, René, approve and say that except for "Jesus" there is no bettaire name.' And though he smiled, his eyes glowed proudly at the name of Louisiana's dashing hero. 'Well, there's "Robert Edward Lee" ', observed Tommy. 'And while I'm not trying to lessen Old Beau's reputation, my first son is going to be named "Bob Lee Wellburn".'

1936 June 30, Margaret Mitchell, chapter XXXV, in Gone with the Wind, New York, N.Y.: The Macmillan Company; republished New York, N.Y.: The Macmillan Company, 1944,