kettledrums is kettledrum's Plural Form

kettledrum

US [ˈket(ə)lˌdrʌm]
UK ['ket(ə)l.drʌm]
  • n.(打击乐器中的)铜鼓
  • Web定音鼓;半球形铜鼓
Plural Form:kettledrums  
n.
1.
(打击乐器中的)铜鼓