noun
country-style bread; rustic bread
A type of bread with a thick crust and irregular crumb, often made with natural yeast. The term comes from French 'pain rustique'.
from French pain rustique
このパン屋のパン・リュスティックは外がカリッとしていて中がもちもちだ。
The pain rustique at this bakery is crispy on the outside and chewy inside.