1. A style of facial hair consisting of sideburns that are thick and extend down the cheeks, often with a mustache but without a beard on the chin.
Usage: Named after Union General Ambrose Burnside, who popularized this style during the American Civil War.; Also called 'burnsides' (plural) or sometimes 'sideburns' (though sideburns is the more general term).; Somewhat dated or historical reference; less common in modern usage.

Examples

• The general's distinctive burnside was a recognizable feature in Civil War photographs.
• He grew a burnside to match the style of his favorite historical figure.
• Victorian gentlemen often wore burnsides as a fashionable facial hair style.
• The actor adopted a burnside for his role in the period drama.