noun, noun or participle which takes 'suru', noun which may take the genitive case particle 'no'
sun drying; solar drying
Refers to drying something outdoors in direct sunlight, often food or laundry. Can be used as a noun, a suru-verb, or a no-adjective.
梅を天日干しにして梅干しを作る。
I sun-dry plums to make umeboshi.
天日干しのトマトは味が濃
Sun-dried tomatoes develop a richer flavor.