noun, noun or participle which takes 'suru', transitive verb
visit; inspection; observation
Formal term for visiting a place to observe or inspect, especially schools, factories, or exhibitions. Often used in compounds like 授業参観 (classroom observation).
来週、小学校の授業参観があります。
Next week, there will be a classroom observation at the elementary school.
工場を参観するには事前の申し込みが必要です。
To visit the factory for an inspection, prior registration is required.