forearm

US /ˈfɔːr.ɑːrm/
UK /ˈfɔːr.ɑːrm/
"forearm" picture
1.

the part of a person's arm between the elbow and the wrist

:
He protected his face with his forearm.
She has a tattoo on her left forearm.
1.

to arm or equip in advance

:
The general decided to forearm his troops with extra ammunition.
It's always wise to forearm yourself with knowledge before a big decision.