sgn
abbreviationUK /ˌes dʒiː ˈen/
US /ˌes dʒiː ˈen/
A short way to write 'sign', which means a mark or picture that tells you something.
The sgn on the door said 'Push'.
OTHER MEANINGS
2. Short for 'signature', the special way a person writes their name.
Please put your sgn at the bottom of the form.
3. Short for 'sign function' in math, which tells if a number is positive, negative, or zero.
The sgn of -5 is -1.
4. Short for 'sign language', a way of talking with hands and face.
She learned sgn to chat with her deaf friend.