spreading out like an open fan
Describes a shape or pattern that widens gradually from a narrow point, like an open folding fan. Often used in design, architecture, or descriptive contexts.
This street spreads out like an open fan, getting wider the further you go.
becoming prosperous; flourishing
Figurative use based on the fan shape: prosperity that expands over time. Often used in celebratory or auspicious contexts, such as business names or New Year greetings.
We opened this shop with prayers for ever-expanding prosperity.
folding fan; ceremonial folding fan
Refers to the physical object, especially a formal or ceremonial folding fan. In modern Japanese, 扇子 (せんす) is the more common word for a folding fan; 末広 is somewhat literary or traditional.
On the Noh stage, a performer holding a ceremonial folding fan dances quietly.
He stood on stage holding a ceremonial folding fan.
This building has a shape that spreads out like an open fan.