1. a person who sees an event, typically a crime or accident, take place.
2. spectator, viewer, watcher, bystander, passerby
3. a member of the Jehovah's Witnesses.
1.see (an event, typically a crime or accident) take place.
2. be present at, attend, behold, get a look at
give or serve as evidence of; testify to.
3. (of a person) openly profess one's religious faith.