GNAR
Source: 566, 567
gnar|gnarl. Gnar, or Gnarl, v.i. to growl, snarl, ob.
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Gnar (?), n. [[OE. knarre, gnarre, akin to OD. knor, G. knorren. Cf. Knar, Knur, Gnarl.]] A knot or gnarl in wood; hence, a tough, thickset man; — written also gnarr. He was . . . a thick gnarre. Chaucer.