0 sb who sees a crime or accident happening -- témoin [ masculine ]
There were no witnesses to the murder. Il n’y a pas eu de témoins du meurtre.
1 sb who tells a court of law what they know during a trial -- témoin [ masculine ]
a witness for the defence/prosecution un témoin à décharge/charge
2 sb who is at an event in order to prove legally that it happened -- témoin [ masculine ]
the two witnesses at the wedding les deux témoins au mariage
3 to see a crime or accident happen -- être témoin de
He witnessed the robbery. Il a été témoin du vol.
5 a person who has seen or was present at an event etc and so has direct knowledge of it -- témoin
I have a key witness here.
My predecessor was not sure if the authority that asked if you could appear as a witness was actually the competent authority.
It has been an honour for me to lead these debates and hence to be a direct witness to that success.
The trial took place behind closed doors and the defendant was only allowed one witness.
I myself have never witnessed such abject poverty.
It has been a great privilege to witness events that will go down in history and an honour to have been actively involved in shaping them.