名詞 handball:

1. a small rubber ball used in playing the game of handball
2. a game played in a walled court or against a single wall by two or four players who strike a rubber ball with their hands

hand.ball

n.Sports （名詞）【體育運動】
A game similar in scoring to volleyball that is played by two or more players who hit a ball against a wall with their hands usually while wearing a special glove.
墻手球運動：一種類似于排球的比賽運動，兩名或更多的運動員用他們的手將一個球擊向墻壁，運動員的手上都帶著特殊的手套
The small rubber ball used in this game.
墻手球：一種用于這種比賽運動的小橡皮球