What is another word for antrum?
Pronunciation: [ˈantɹəm] (IPA) 
An antrum is a cavity or chamber that is typically found in the human body. There are several synonyms for the word antrum, including cave, cavern, hollow, cavity, chamber, and sinus. These words are often used interchangeably when discussing anatomical features, such as the maxillary antrum, which is a sinus cavity located in the cheekbone. Other examples of anatomical antra include the gastric antrum, which is part of the stomach, and the mastoid antrum, which is located in the temporal bone of the skull. When referring to other types of cavities or chambers, such as those found in geology or architecture, synonyms like grotto, alcove, and alcove may also be used.
