to raise one's hand―lift up one's hand―(採決の時なら)―show one's hand―(敬礼なら)―touch one's cap
a hand
手があく
There is a handclap.
(食物になら)to touch food―(仕事になら)―put one's hand to a task―(女になら)―have a connection with a woman
手のなか
for something to hit or touch the hands