The term discoidal object refers to a round, flat, and disc-shaped object. There are a variety of synonyms for this term that can be used to describe this shape, such as round, circular, disc-shaped, saucer-shaped, and flat. Other synonyms include disk-like, plate-like, and pancake-shaped. These terms can be used to describe a variety of different objects, including frisbees, UFOs, and coins. Additionally, these synonyms can be used in various contexts, such as in science, physics, and entertainment. Whether you're describing a flying saucer or a coin, there are plenty of synonyms available to help you convey the shape of a discoidal object.