(~s)
1.
A ~ is an official document stating that particular facts are true.
...birth ~s.
...share ~s.
N-COUNT: usu with supp
2.
A ~ is an official document that you receive when you have completed a course of study or training. The qualification that you receive is sometimes also called a ~.
To the right of the fireplace are various framed ~s.
...the Post-Graduate Certificate of Education.
N-COUNT: with supp