A "chum" is a term used to describe a close friend or companion. It often implies a sense of camaraderie and mutual support. The word is commonly used in informal contexts and can refer to friendships formed in various settings, such as school, work, or social activities. Chums typically share interests, experiences, and values, which helps strengthen their bond. The term is often associated with a friendly and relaxed relationship, where both individuals feel comfortable being themselves. Chums can provide emotional support, companionship, and a sense of belonging in one's life.