bark
US /bɑːrk/
UK /bɑːrk/

1.
2.
the tough, protective outer sheath of the trunk and branches of a tree or woody plant
:
•
The squirrel ran up the rough bark of the oak tree.
•
Some types of bark are used in medicine.
1.
2.
to remove the bark from a tree or log
:
•
They had to bark the logs before processing them.
•
The lumberjack used an axe to bark the fallen tree.