A "beau" is a term often used to refer to a boyfriend or romantic partner. It originates from the French word for "handsome" and is typically used in a more traditional or affectionate context. The term can imply a sense of seriousness or commitment in the relationship, distinguishing it from more casual dating terms. In modern usage, a beau may be someone with whom a person shares a deep emotional connection, engages in romantic activities, and often introduces to family and friends. The term can also reflect cultural or regional preferences in describing romantic relationships, similar to terms like significant other or partner.