1. (

• Burnside ,
• A._E._Burnside ,
• Ambrose_Everett_Burnside

) United States general in the American Civil War who was defeated by Robert E. Lee at the Battle of Fredericksburg (1824-1881) ;

2. (

• sideburn ,
• burnside ,
• mutton_chop ,
• side-whiskers

) facial hair that has grown down the side of a man's face in front of the ears (especially when the rest of the beard is shaved off) ;