The buccinator muscle is a key muscle in the facial expression system. It is responsible for compressing the cheeks, aiding in the chewing and swallowing of food, and producing certain sounds when speaking. There are several synonyms for the buccinator muscle, including the cheek muscle, the buccal muscle, the masticatory muscle, and the trumpeter's muscle. These terms all refer to the same muscle and can be used interchangeably in medical or anatomical contexts. Understanding and properly referring to the buccinator muscle and its synonyms is important for medical professionals and students studying anatomy and physiology.