Rain gutters are an important part of any building's drainage system. They help to collect rainwater and direct it away from the foundation and walls. However, the term "rain gutter" is not the only word used to describe this important part of a building's exterior. There are several synonyms for rain gutters including eaves trough, guttering, rainwater channel, and downspout. Each term has its own regional variations and nuances, but all refer to the same basic function. Whether you call it a rain gutter or any of its synonyms, maintaining this critical component of your building's drainage system is essential to its long-term health and stability.