noun which may take the genitive case particle 'no', noun
underhand; underarm
Sports term describing a throw, serve, or pass made with the hand below shoulder level. Used as a noun or with の to modify another noun.
ソフトボールではアンダーハンドで投げる。
In softball, you throw underhand.
彼はアンダーハンドのサーブを得
He is good at underhand serves.