Webster’s Revised Unabridged Dictionary · 1913
Swingle
Swin′gle (swĭn̲′g'l), v. i. [Freq. of swing.] 1. To dangle; to wave hanging. [Obs.] Johnson.
2. To swing for pleasure. [Obs. or Prov. Eng.]
Swin′gle, v. t. [imp. & p. p. Swingled; p. pr. & vb. n. Swingling.] [See Swingel.] 1. To clean, as flax, by beating it with a swingle, so as to separate the coarse parts and the woody substance from it; to scutch.
2. To beat off the tops of without pulling up the roots; — said of weeds. [Prov. Eng.] Forby.
Swin′gle, n. A wooden instrument like a large knife, about two feet long, with one thin edge, used for beating and cleaning flax; a scutcher; — called also swingling knife, swingling staff, and swingling wand.