noun
A raised platform for speakers, performers, or ceremonies. Common in words like 演壇 (speaker's platform) and 花壇 (flower bed, though that is a different kanji usage).
彼は演壇に上がってスピーチを始めた。
He stepped up onto the podium and began his speech.
式典のために大きな壇が用意された。
A large platform was prepared for the ceremony.
noun
ceremonial mound
A raised earthen mound used in ceremonies or rituals. Less common in everyday language; often seen in historical or religious contexts.
古代の祭祀では、壇を築いて神を祀った。
In ancient rituals, they built a mound to worship the gods.
noun, used as a suffix
world; circles
Used as a suffix to indicate a particular field or community, such as 文壇 (literary world) or 画壇 (art circles).
彼は文壇で高く評価されている作家だ。
He is a writer highly regarded in literary circles.
画壇の重鎮が集まる展覧会が開かれた。
An exhibition was held gathering leading figures of the art world.
noun
mandala
Archaic Buddhist term for a mandala or sacred platform. Not used in modern Japanese outside of historical or religious texts.
古い経典には、壇を曼荼羅の意味で用いた例がある。
In old scriptures, there are examples where 壇 is used to mean mandala.