A beard is a collection of facial hair that grows on the chin, cheeks, and neck of humans, primarily males. It can vary in style, length, and thickness, influenced by genetics, hormones, and grooming habits. Beards can serve various purposes, including protection from the elements and as a form of personal expression. Throughout history, beards have held different meanings in various cultures. In some societies, a beard symbolizes wisdom and maturity, while in others, it may represent social status or religious beliefs. Famous figures like Abraham Lincoln and Charles Darwin are often associated with their distinctive beards, which have become iconic.