A "humanoid" refers to any being or entity that has a human-like appearance or characteristics. This term is often used in the context of robots, artificial intelligence, or fictional characters that resemble humans in form and behavior. Humanoids can have features such as a head, arms, and legs, making them relatable to people. In science fiction, humanoids are frequently depicted as advanced beings, such as androids or aliens, that interact with humans. They can serve various purposes, from companionship to labor, and are often explored in literature and film, raising questions about identity and consciousness.