noun
docent
DOH-sunt/ˈdəʊsnt/
A person who teaches by explaining a subject.
The docent explains the ancient ceramic vessel to an attentive museum visitor.

Etymology
The Latin pieces form a participle meaning “teaching,” which underlies the noun meaning “teacher.” A museum, gallery, or zoo docent fills that teaching role by guiding visitors’ understanding.
In context
I'm Geoffrey Baer and I've been giving boat tours of the Chicago river since 1988 as a docent for the Chicago Architecture Foundation.
More examples
- Our docent answers questions about the fossils on display.
- Two volunteer docents lead school groups through the science exhibits.
- A university docent gives a lecture on ancient history.
Forms
docent · docents