Definition of knag
1a obsolete : a short projection or spur especially from a tree trunk or branch b archaic : a wooden peg for hanging things on
2 obsolete : a prong of an antler
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Origin and Etymology of knag
Middle English knagge, knagg; akin to Middle Low German knagge knot in wood, pin, peg, Swedish knagg knot in wood, lump, Norwegian knagg, knagge pin, peg, handle, and perhaps to Old English cnotta knot
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