Oxford Advanced American Dictionary

Definition of trumpet noun from the Oxford Advanced Learner's Dictionary

trumpet

noun
trumpet pronunciation English ˈtrʌmpɪt trumpet pronunciation American ˈtrʌmpɪt
 
1 a brass musical instrument made of a curved metal tube that you blow into, with three valves for changing the note2 a thing shaped like a trumpet, especially the open flower of a daffodil
Idioms
see
blow your own trumpet at blow verb