traveling exhibition; roadshow; touring exhibition
Refers to an exhibition, show, or event that moves between multiple venues. Often used for art exhibitions, museum collections, or promotional tours.
Next month, a traveling exhibition of a famous painter will be held at this museum.
The roadshow for that movie is scheduled to visit ten cities nationwide.
巡回 means 'patrol' or 'going around', and is used for security, medical rounds, etc. 巡回展 is a compound specifically for traveling exhibitions.
Compound of 巡回 (junka, 'going around, patrol') and 展 (ten, 'exhibition'). The reading じゅんかいてん follows standard on'yomi.