I. trum ‧ pet 1 /ˈtrʌmpət, ˈtrʌmpɪt/ BrE AmE noun
[ Date: 1300-1400 ; Language: Old French ; Origin: trompette , from trompe 'horn' ]
[countable] 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 ↑ blow 1 (19)
II. trumpet 2 BrE AmE verb
1 . [transitive] 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] if an ↑ elephant trumpets, it makes a loud noise