Tricornered is an adjective that describes an object or item that has three corners, such as a hat or a table. However, there are several other synonyms for the word "tricornered" that can be used interchangeably to express the same idea. These include terms like "triangular," "three-cornered," "pyramidal," and "trilateral." Each of these synonyms means the same thing as "tricornered," but they offer a wider variety of options when it comes to language and style. By using these synonyms, writers can add more depth and diversity to their work, making it more engaging and interesting for their audience.