noun
natsumikan; Japanese summer orange
A type of citrus fruit (Citrus natsudaidai) harvested in early summer. Often eaten fresh or used in marmalade. Also commonly called 夏みかん.
See also: 夏みかん
夏柑の皮をむいて食べた。
I peeled a natsumikan and ate it.
このマーマレードは夏柑で作られています。
This marmalade is made from natsumikan.
More common synonym for the same fruit. 夏柑 is a slightly more formal or written variant.
From 夏 (natsu, 'summer') + 柑 (kan, 'citrus'). The exact origin of the fruit is uncertain, but it is believed to be a natural hybrid discovered in Yamaguchi Prefecture in the Edo period.