A musical instrument of the brass family, generally tuned to the key of B-flat; by extension, any type of lip-vibrated aerophone, most often valveless and not chromatic.
"Many self-proclaimed trumpets flooded social media with praise after the president announced his latest policy initiative."
A vocal political supporter of US President Donald Trump, especially online.
In plain English: A trumpet is a shiny brass instrument that makes loud, high-pitched sounds when you blow into it and press valves to change the notes.
"The band player lifted his silver trumpet to blow a loud note at the start of the concert."
Usage: Use "trumpet" as a noun to refer specifically to the standard keyed brass instrument or broadly to any loud, valved-free wind instrument. As a verb, it describes making a shrill noise that is often used metaphorically for announcing something with great fanfare.
proclaim on, or as if on, a trumpet
"Liberals like to trumpet their opposition to the death penalty"
play or blow on the trumpet
"The band member stood at attention and began to trumpet a lively tune as the crowd cheered."
To sound loudly, be amplified
"The foghorn began to trumpet its warning across the dark harbor."
In plain English: To trumpet something means to announce it loudly and proudly so everyone hears about it.
"The band member will trumpet her solo to signal that she is ready for everyone else to follow."
The word "trumpet" comes from the Old French trompette, which is a diminutive form of trompe meaning "horn." This ultimately derives from Frankish roots that imitated the sound of the instrument itself.