palm; open hand
Refers to the flat of the hand, often in contexts like slapping, striking, or holding something with an open palm.
He angrily slapped the desk with his open hand.
playing on equal terms; no handicap
Shogi term for a game without handicap, where both players start with equal pieces. Also used figuratively for any fair, even contest.
Let's play a game without handicap today.
平手で顔を打たれた。
I was struck on the face with an open palm.
If it's a match on equal terms, it's hard to say who will win.
slap; smack; spanking
Compound of 平 (flat) and 手 (hand). The shogi sense derives from the idea of starting with a 'flat' or even hand, i.e., no piece advantage.