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"
Verb
-
make complaining remarks or noises under one's breath
"she grumbles when she feels overworked"
-
twist into a state of deformity
"The wind has gnarled this old tree"