galleristEnglishOxford Dictionary of Englishgallerist /ˈɡal(ə)rɪst / ▸ noun a person who owns an art gallery or who exhibits and promotes artists' work in galleries and other venues in order to attract potential buyers: gallerists will tell you it would be difficult to break even without doing at least one art fair per year. – ORIGIN early 20th century (in the sense ‘person in a gallery’): from gallery and -ist.