Meaning ofwitnessin English

Noun

1. one who sees or knows something personally
2. one called to give evidence in court
3. attestation of a fact; testimony
   The court accepted her statement as a witness to the accident.
4. one who verifies an event or action
   The signature of two witnesses is required for the document to be valid.
5. a sign or token serving as evidence
   The presence of the security camera served as a witness to the crime.