丸まる天てん井じょう

ま

る

て

ん

じょ

う

Meanings

arched ceiling; vaulted ceiling; domed ceiling; circular ceiling

Refers to a ceiling that is curved or rounded, such as an arch, vault, dome, or circular shape. Used in architectural contexts.

いる

。

Beautiful paintings are drawn on the arched ceiling of the church.

この部屋へやは丸まる天てん井じょうになっていて、開かい放ほう感かんがある。

This room has a vaulted ceiling, giving a sense of openness.

天てん井じょう
General term for ceiling; 丸天井 specifically refers to a rounded or arched ceiling.
アーチ
Loanword for 'arch'; often used for arch-shaped structures, while 丸天井 is a native compound for arched ceilings.

Compound of 丸 (まる, 'round') + 天井 (てんじょう, 'ceiling'). The alternate spelling 円天井 uses 円 (circle/round).