free-range
free-range |ˈˌfri ˈˌreɪnʤ | ▶adjective (of livestock, esp. poultry ) kept in natural conditions, with freedom of movement. • (of eggs ) produced by birds reared under such conditions.
free-range ▶adjective (of livestock, especially poultry ) kept in natural conditions, with freedom of movement. • (of eggs ) produced by free-range poultry.
fr è e-r á nge 形容詞 ⦅英 ⦆〈ニワトリが 〉放し飼いの .