Definition from Wiktionary, the free dictionary
From Japanese 花魁, literally ‘flower-leader’.
oiran (plural oiran or oirans)
- a high-status courtesan
- 2002: The oiran of Mitarai was not like the geisha. Like the great eighteenth-century courtesans of Europe, she knew who and what she was and turned wanton provocation into an art. — Donald Richie, The Inland Sea (Stone Bridge Press 2002, p. 192)
- Third-person plural future indicative form of oir.