Dictionary entry

Gnar

Webster's Dictionary 1913

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.