cornet, horn, trumpet, trump -- (a brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves)
Overview of verb trumpet
The verb trumpet has 3 senses
trumpet -- (proclaim on, or as if on, a trumpet; "Liberals like to trumpet their opposition to the death penalty")
trumpet -- (play or blow on the trumpet)
trumpet -- (utter in trumpet-like sounds; "Elephants are trumpeting")