What does buccinator mean?
The buccinator is a thin, flat muscle that forms the substance of each human cheek, running horizontally between the upper and lower jaws. Its chief role is to press the cheek inward against the teeth during chewing, keeping food in place on the grinding surfaces of the molars rather than letting it slip into the space between the cheek and gums. It also contracts during actions that require compressed air, which is why anatomists have long nicknamed it the 'trumpeter's muscle' — it is essential for whistling, blowing wind instruments, and even suckling in infants. The word derives directly from the Latin 'buccinare,' meaning to sound a trumpet. Because it is innervated by the facial nerve, paralysis of the buccinator is a recognised sign in neurological examinations. The term belongs firmly to medical register, appearing in anatomy textbooks and clinical discussion rather than everyday speech.
nounA thin, flat muscle in each cheek that forms the substance of the cheek and presses it against the teeth during chewing, whistling, and blowing. It is also called the 'trumpeter's muscle.'
- Anatomy: the thin quadrilateral muscle forming the wall of each cheek, which compresses the cheek against the teeth during mastication and enables actions such as whistling and blowing.
"The buccinator keeps food out of the vestibule of the mouth while you chew."
"Injury to the facial nerve can paralyse the buccinator, making it difficult to keep food between the molars while chewing."
"Dentists often ask patients to relax the buccinator so they can examine the inside of the cheek more easily."
In anatomy texts the Latin plural 'buccinatores' is sometimes retained, but 'buccinators' is standard in English.
"Both buccinators contract simultaneously when a person whistles."
Nicknamed the 'trumpeter's muscle,' the buccinator is what lets musicians puff their cheeks and play for hours without tiring.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of buccinator
The word 'buccinator' comes straight from Latin, where 'buccinator' meant 'trumpeter' or 'one who blows the bucina,' a curved brass horn used in the Roman army. It was formed from 'buccinare' (to blow a trumpet), itself rooted in 'bucca,' meaning cheek — the same root behind the anatomical adjective 'buccal.' English adopted the term as an anatomical name in the early modern period, when Renaissance anatomists drew heavily on Latin terminology. Its cognates include 'buccal' (relating to the cheek) and 'debouch,' which entered English via French 'bouche' (mouth).
How buccinator is actually used
Strictly an anatomical term used by medical professionals, students of anatomy, dentists, and speech therapists; rarely encountered in everyday conversation. The plural is usually given in its Latin form 'buccinatores' in classical or highly formal contexts, but 'buccinators' is acceptable.
Easily confused with buccinator
A buccaneer is a pirate of the Caribbean; a buccinator is the cheek muscle — the two words merely share a distant Latin root.