Sentence:  With her son evidencing so strong a musical bent his mother could do little else but get him started on the study of music - though she waited until he was ten - beginning with the piano and following that with the <WSD>trumpet</WSD> . 
Meaning of the word marked with <WSD> tags:  a brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves