A "Cash Cow" refers to a business or product that generates a steady and significant amount of income with minimal ongoing investment. This term is often used in business strategy to identify areas that provide reliable profits, allowing companies to fund other ventures or projects. In the context of the Boston Consulting Group matrix, a Cash Cow is typically in a mature market with a strong competitive position. It requires less marketing and development effort, making it a valuable asset for companies looking to maintain financial stability while exploring new opportunities.