Literary or poetic term for a tower or tall structure. In modern Japanese, 塔 (とう) is more common.
The expression 'heavenly tower' appears in old poetry.
Elevated base or platform for placing something, often decorative or ceremonial. Also used in botanical contexts for the receptacle of a flower.
The Buddha statue is placed on a lotus pedestal.
In botany, the calyx of a flower is sometimes called うてな.
Standard kanji spelling for this reading.
Kana spelling is sometimes used, especially in literary or poetic contexts.
The reading うてな is of native Japanese origin, but the exact derivation is uncertain. The kanji 台 is conventionally associated with the meaning of a raised platform or tower.