"Piping" is commonly used to refer to tubes or pipes used for various purposes such as water supply, gas lines, or vents. However, there are several synonyms for this word that can be used in different contexts. For instance, "conduit" refers to a long tube or pipe used to convey or protect electrical cables. In the context of music or literature, "lilting" or "trilling" can be used to describe a high-pitched, melodious sound. Similarly, in the context of cooking, "piping" can be replaced with "decorative icing" or "frosting" when referring to the process of decorating a cake. Synonyms for the word "piping" vary depending on the context in which it is used.