noun
ceiling painting; decorative ceiling painting
Refers to paintings on ceilings, especially in temples, churches, or grand buildings. Often decorative or religious in nature.
この寺の天井画は江戸時代に描かれた。
The ceiling painting in this temple was painted in the Edo period.
教会の天井画には聖書の場面が描かれている。
The church's ceiling painting depicts scenes from the Bible.
天井 means 'ceiling' itself, whereas 天井画 is the painting on it.
Compound of 天井 (ceiling) and 画 (picture, painting).