trumpet
The French word for 'trumpet' is 'trompette'. It is typically used in the same context as in English - to refer to the high-pitched brass instrument. Just like in English, it can also be used metaphorically in French to refer to a loud and striking voice or sound. In both languages, it's also mentioned in idiomatic expressions.
I like to play the trumpet
This sentence uses the verb 'jouer de' which means 'to play an instrument'. 'La trompette' is the direct object of this verb.
The trumpet is a musical instrument
This is a straightforward sentence that states 'La trompette' (the trumpet) is an instrument of music ('un instrument de musique'). The verb 'est' indicates a state of being or existence.
Can you hear the trumpet?
In this interrogative sentence, 'Peux-tu' is the inversion of 'tu peux' (you can) which is a common way of asking questions in French. 'Entendre' is the infinitive form of the verb meaning 'to hear'.