Meaning of sign in English
1. a symbol that stands for something
a music sign
2. any mark, movement, or set of words used to mean or represent something
There are a lot of misleading road signs.
3. a motion, action, or gesture, indicating a thought, information, command etc.
She made a sign for them to be quiet.
4. a trace or evidence left by someone
He shows no signs of progress.
5. something that points out what is to come
Those black clouds are a sign of coming rain.
1. write one’s name on something as a signature
Please sign these papers.
2. give signs to someone; gesture
The police officer signed for me to stop.