■ noun
1》 a person who sees an event take place.
2》 a person giving sworn testimony to a court of law or the police.
3》 a person who is present at the signing of a document and signs it themselves to confirm this.
4》 evidence; proof.
↘open profession of one's religious faith through words or actions.
■ verb
1》 be a ~ to.
2》 be the place, period, etc. in which (an event or development) takes place.
3》 be a sign or proof of.
↘( ~ to ) openly profess one's religious faith in.
Origin
OE witnes (see wit 1 , -ness ).