field of flowers; flower-filled field
A poetic or literary term for a field or meadow covered in blooming flowers, often evoking a seasonal scene.
秋の花野を散歩するのが好きです。
I like walking through the autumn fields of flowers.
Compound of 花 (flower) and 野 (field). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning.