To snarl or growl; to gnar.
To knot or twist something.
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.
Gnarled, knotty, twisted.
To look at out of the corner of one's eye, particularly with animosity, or in a judgmental or suspicious manner.
A sidelong look, particularly of animosity, judgment, or suspicion.