forearm has definitions from the fields of anatomy,zoology,military
1
[ noun ] (anatomy,zoology) the part of the superior limb between the elbow and the wrist

Used in print

(Helen Hooven Santmyer, "There Were Fences"...)

The horse walked , the reins were slack , the huckster rode with bowed shoulders , his forearms across his knees .

2
[ verb ] (military) arm in advance of a confrontation

Related terms

arm

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