1. [n]  badminton equipment consisting of a ball of cork or rubber with a crown of feathers
2. [v]  send or toss to and fro, like a shuttlecock

Shuttlecock
On the surface a psychological thriller, Shuttlecock follows the career of Prentis, a law-enforcement investigator. Alienated from his wife and children, and obsessed by the actions of his father (now a resident in a mental ward) as a spy during World War II, Prentis feels increasingly unsettled as his enigmatic boss, Mr. Quinn, turns his investigations towards himself--and his father.

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1. \Shut"tle*cock`\, n.
   A cork stuck with feathers, which is to be struck by a
   battledoor in play; also, the play itself.
   

2. \Shut"tle*cock\, v. t.
   To send or toss to and fro; to bandy; as, to shuttlecock
   words. --Thackeray.