From Longman Dictionary of Contemporary Englishtrumpettrum‧pet1 /ˈtrʌmpɪt/ ●●○ noun 
[countable]APM a musical instrument that you blow into, which consists of a curved metal tube that is wide at the end, and three buttons you press to change the notes → blow your own trumpet at blow1(19)
[countable]APM a musical instrument that you blow into, which consists of a curved metal tube that is wide at the end, and three buttons you press to change the notes → blow your own trumpet at blow1(19)Examples from the Corpus
trumpet• Below mezzo-forte, 1 horn is sufficient to compete successfully with 1 trumpet or 1 trombone.• The heraldry of day-to-day: a cat couchant on bricks; a baby in a push-chair blowing a trumpet very loudly.• A cacophony of violins, clarinets and trumpets fills the air.• Less obvious rock fare was pulled over to the jazz side by trumpet legend Miles Davis.• Behind his fabulous trumpet playing and cheeky alleged humour there's an intelligent, alert, artful mind at work.• As the captain of the Albatross raises his trumpet to answer it suddenly falls from his hands into the sea.• Pate de foie gras to the sound of trumpets?• Then the trumpet sounded, and silence fell.trumpettrumpet2 verb 1 [transitive]SAY/STATE to tell everyone about something that you are proud of, especially in an annoying way They are proudly trumpeting the fact that they are creating more jobs.2 [intransitive]HBASOUND if an elephant trumpets, it makes a loud noise→ See Verb tableExamples from the Corpus
trumpet• I thought, well, they were trumpeting Ade for the gold medal.• Here, hand-painted banners trumpeted his name.• Wald has often trumpeted his role in developing the vaccine.• Indeed, the free market was trumpeted so much that it assumed an almost mythic quality.Origin trumpet1 (1300-1400) Old French trompette, from trompe “horn” 