You know what it looks like… but what is it called?
TAKE THE QUIZ“tree bark”
The following 3 entries include the term tree bark.
fringe-tree bark
noun: the dried root bark of the fringe tree (Chionanthus virginica) formerly used as a diuretic
fruit-tree bark beetle
nounpeach tree bark beetle
nounLove words? Need even more definitions?
Merriam-Webster unabridged