flowering ash n 1: southern Mediterranean ash having fragrant white flowers in dense panicles and yielding manna [syn: {manna ash}, {flowering ash}, {Fraxinus ornus}] 2: shrubby California ash with showy off-white flowers [syn: {flowering ash}, {Fraxinus dipetala}] 3: shrubby ash of southwestern United States having fragrant white flowers [syn: {flowering ash}, {Fraxinus cuspidata}]