I. ˈkämən.ˌtād.ə(r), -ātə- also -ˌmen- noun
( -s )
Etymology: Late Latin, from Latin, deviser, contriver, from commentatus + -or
: one who comments or makes a commentary: as
a. : one who writes a commentary (as on a literary text) : annotator
b. : one who reports and discusses current events or daily news especially on radio or television usually with interpretation and analysis — called also news analyst
• com·men·ta·to·ri·al |käˌmentə|tōrēəl, kä|m- adjective
II. noun
: a layman who leads a congregation in prayer at Mass or explains the rituals performed by the priest