Cloacum is a Latin word that refers to a sewer or a drain, typically used for disposing of waste. There are a variety of synonyms for the term "cloacum" that can be used depending on context and language. Some common English synonyms include sewer, drainage system, waste pipe, and sewage plant. In Italian, "cloaca" is often used as a synonym for the term, while "egout" is the French equivalent. In Spanish, "alcantarilla" and "cloaca" are both commonly used to describe a sewer or drain. Regardless of language or specific synonym, all such terms refer to the same basic concept of a system designed for waste disposal.