palm; open hand
Refers to the flat of the hand, often in contexts like slapping, striking, or holding something with an open palm.
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.
He angrily slapped the desk with his open hand.
I was struck on the face with an open palm.
Let's play a game without handicap today.
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.