Noun

• S: (n) flail (an implement consisting of handle with a free swinging stick at the end; used in manual threshing)
• direct hypernym / inherited hypernym / sister term
• S: (n) implement (instrumentation (a piece of equipment or tool) used to effect an end)
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• derivationally related form

Verb

• S: (v) thrash, thresh, lam, flail (give a thrashing to; beat hard)
• S: (v) flail, thresh (move like a flail; thresh about) "Her arms were flailing"