1. A musician who plays the trumpet or cornet; SYN. cornetist.
2. Large gregarious forest-dwelling cranelike bird of South America having glossy black plumage and a loud prolonged cry; easily domesticated.
3. Large pure white wild swan of western North America having a sonorous cry; SYN. trumpeter swan, Cygnus buccinator.
Any South American bird of the genus Psophia, family Psophiidae, up to 50 cm/20 in tall, related to the cranes. Trumpeters have long legs, a short bill, and dark plumage. The name is also applied to the trumpeter swan.