overarm
/ˈəʊvərɑːm/adjective & adverb
- (chiefly of a throw or a stroke with a racket) made with the hand or arm passing above the level of the shoulder（主要指投球或用球拍击球）上手的（地）：
as adj. the bowler was happy to demonstrate his overarm technique.投手很高兴演示他的上手球技术。
as adv. competitors can throw overarm or underarm.参赛者可以投上手球也可以投下手球。