Bible Dictionaries
Under-Arm

Webster's Dictionary

(a.) Done (as bowling) with the arm not raised above the elbow, that is, not swung far out from the body; underhand. Cf. Over-arm and Round-Arm.

Bibliography Information
Webster, Noah. Entry for 'Under-Arm'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​u/under-arm.html. 1828.