Noun | 1. | pinwheel flower - tropical shrub having glossy foliage and fragrant nocturnal flowers with crimped or wavy corollas; northern India to Thailand Adam's apple, coffee rose, crape jasmine, crepe gardenia, crepe jasmine, East Indian rosebay, Nero's crown, Tabernaemontana divaricate genus Tabernaemontana, Tabernaemontana - evergreen tropical trees and shrubs with milky sap |