noun
plural -pets
[count] a brass musical instrument that you blow into that has three buttons which you press to play different notes - see picture at brass instrument
something shaped like a trumpet
blow your own trumpet
Brit informal :to talk about yourself or your achievements especially in a way that shows that you are proud or too proud
verb
-pets; -peted; -peting
[+ obj] :to praise (something) loudly and publicly especially in a way that is annoying
[no obj] :to make a sound like a trumpet
US