Senses
姐 elder sister
elder sister; a female relative of the same generation who is older than oneself
姐 [general address for a woman]
(bound form) A general term or suffix for a young woman, such as in 小姐 .
姐 [respectful address for a woman]
A respectful way to address a woman who is slightly older than oneself or a professional young woman.
姐 surname
a Chinese surname