An armband is a band of fabric that you wear round your upper arm in order to show that you have an official position or belong to a particular group. Some people also wear a black armband to show that a friend or relation has died.
N-COUNT
(用于学游泳的)充气臂圈,救生臂环
Armbands are plastic rings filled with air that people who are learning to swim wear on their upper arms to help them float.
英汉词典释义
n.
臂带;臂章
skipper’s armband队长袖标Each mourner wore a black armband and a white paper chrysanthemum.每个吊唁的人都佩带着黑纱和一朵白纸菊花。
英英词典释义
Noun
1. worn around arm as identification or to indicate mourning