GNARL
knot, gnarl
(noun) something twisted and tight and swollen; “their muscles stood out in knots”; “the old man’s fists were two great gnarls”; “his stomach was in knots”
murmur, mutter, grumble, croak, gnarl
(verb) make complaining remarks or noises under one’s breath; “she grumbles when she feels overworked”
gnarl
(verb) twist into a state of deformity; “The wind has gnarled this old tree”
Source: WordNet® 3.1
Etymology 1
Noun
gnarl (plural gnarls)
A knot in wood; a large or hard knot, or a protuberance with twisted grain, on a tree.
Something resembling a knot in wood, such as in stone or limbs.
Verb
gnarl (third-person singular simple present gnarls, present participle gnarling, simple past and past participle gnarled)
(transitive) To knot or twist something.
Adjective
gnarl
Gnarled, knotty, twisted.
Etymology 2
Onomatopoeic.
Verb
gnarl (third-person singular simple present gnarls, present participle gnarling, simple past and past participle gnarled)
(intransitive) To snarl or growl; to gnar.
Source: Wiktionary
Gnarl, v. i. [imp. & p. p. Gnarled; p. pr. & vb. n. Gnarling.] Etym:
[From older gnar, prob. of imitative origin; cf. G. knarren, knurren.
D. knorren, Sw. knorra, Dan. knurre.]
Definition: To growl; to snarl.
And wolves are gnarling who shall gnaw thee first. Shak.
Gnarl, n. Etym: [See Gnar, n.]
Definition: a knot in wood; a large or hard knot, or a protuberance with
twisted grain, on a tree.
Source: Webster’s Unabridged Dictionary 1913 Edition