ROWEL (2)
Source: 566, 567
rowel (2). Rowel, v.t. to keep open by a seton
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Row″el, v. t. [imp. & p. p. Roweled (?) or Rowelled; p. pr. & vb. n. Roweling or Rowelling.] (Far.) To insert a rowel, or roll of hair or silk, into (as the flesh of a horse). Mortimer.