witness

noun
B2
1
B2
a person who sees something happen and is able to describe it to other people
شاهد, گواه
2
B2
a person who gives evidence in court
شاهد, گواه, شهادت‌دهنده, شهادت‌کننده
a defence/prosecution witness
He was hired to be an expert witness in the trial.
to appear as (a) witness for the defence/prosecution
The defence called their first witness.
Several witnesses testified that there had been two gunmen.
see also hostile witness
3
B2
a person who is present when an official document is signed and who also signs it to prove that they saw this happen
گواه, شاهد
He was one of the witnesses at our wedding.
The will was signed in the presence of two witnesses.
There was no witness to her signature.
4
evidence of a person’s strong religious beliefs, that they show by what they say and do in public
شهادت, گواه, گواهی
see also Jehovah’s Witness
verb
B2
1
B2
to see something happen (typically a crime or an accident)
شاهد بودن, مشاهده کردن, دیدن
2
to be the place, period, organization, etc. in which particular events take place
شاهد بودن
Recent years have witnessed a growing social mobility.
The retail trade is witnessing a sharp fall in sales.
The last century witnessed an unprecedented increase in violent crime.
3
to be present when an official document is signed and sign it yourself to prove that you saw this happen
شاهد بودن, گواهی دادن
to witness a signature
The document was witnessed by a lawyer.
4
to be a sign or proof of something
گواه بودن
The huge attendance figures for the exhibition witness to a healthy interest in modern art.
There has been increasing interest in her life and work, as witnessed by the publication of two new biographies.
5
used when giving an example that proves something you have just said
شاهد آوردن, اثبات کردن
Authentic Italian cooking is very healthy—witness the low incidence of heart disease in Italy.
6
to speak to people about your strong religious beliefs
تبلیغ کردن, اظهار کردن باورهای مذهبی
synonym testify