noun, noun or participle which takes 'suru', transitive verb
personal reprimand; face-to-face reproof
Formal term for scolding or reproving someone directly in person, often in a hierarchical context such as a workplace or school. Can be used as a noun or with する.
上司から面詰を受けた。
I received a personal reprimand from my boss.
彼は部下を面詰した。
He personally reprimanded his subordinate.
Compound of 面 (face, direct) and 詰 (interrogate, reprimand). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of a direct, face-to-face reproof.