riddle; guessing game
A game or puzzle where you guess something, often with a prize. Can refer to the riddle itself or the activity.
We had fun playing a guessing game at the party.
A prize won in a guessing game or lottery. Often used in the context of a contest where you guess to win something.
I'm happy I won the prize.
Material used to pad or cover something, like a cushion or protective layer. Less common than the guessing-related senses.
This riddle is tough.
This shop prepares a prize every week.
I stuffed padding into the box to prevent breakage.
Standard kanji spelling.
Kana-mixed spelling; less common but still used.
Compound of 当て (guess, aim) and 物 (thing). The padding sense likely derives from the idea of something placed against or fitted to something else.