Synonyms for Burnside (same or very similar meaning)
WordNet sense 1 (United States general in the American Civil War who was defeated by Robert E. Lee at the Battle of Fredericksburg (1824-1881)):
A. E. Burnside, Ambrose Everett BurnsideWordNet sense 2 (beard grown down the side of a man's face in front of the ears (especially when the rest of the beard is shaved off)):
sideburn, side-whiskers, mutton chopFrom the ODE community, based on WordNetadd/edit