What is "gnarls"

Usage examples of "gnarls".

It protruded from the cuff of his black shirt in nightmarish gnarls and planes and hooks of the dark, chitinous stuff that had replaced his flesh.

And there's something about 'the gnarls of the nails in thee, niche of the lance, his lovescape crucified.

They most definitely would not have covered the bare slopes with a jungle of thousands of wildly branching metal gnarls and knots—which, moreover, could not have been the work of engineers masking military targets under a web of pseudovegetation, since the unnaturalness of such camouflage would have betrayed itself immediately.

Cora immediately recognized the gnarls and whorls that slashed it, like markings on some ancient tree.