A shuttlecock is the small object that you hit over the net in a game of badminton. It is rounded at one end and has real or artificial feathers fixed in the other end.
shuttlecock in British English
(ˈʃʌtəlˌkɒk)
noun
1.
a light cone consisting of a cork stub with feathered flights, struck to and fro in badminton and battledore
Often shortened to: shuttle
2.
anything moved to and fro, as in an argument
verb
3.
to move or cause to move to and fro, like a shuttlecock
Word origin
C16: from shuttle + cock1
shuttlecock in American English
(ˈʃʌtəlˌkɑk)
noun
1.
in badminton or other similar games, a rounded piece of cork having a flat end stuck with feathers or, now, a piece of plastic formed to resemble this: it is struck back and forth across a net with rackets or paddles