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Noun: flail  fleyl
  1. An implement consisting of handle with a free swinging stick at the end; used in manual threshing
Verb: flail  fleyl
  1. Beat hard and repeatedly, esp. with a whip, cane, etc.
    - thrash, thresh, lam [informal]
  2. Swing or move in a random unstable way
    "Her arms were flailing";
    - thresh

Derived forms: flailed, flailing, flails

Type of: beat, beat up, flap, implement, work over

Encyclopedia: Flail