also: さんぽうかん
noun
sanbokan sour orange; Citrus sulcata
A Japanese citrus fruit known for its thick rind and mild, sweet-tart flavor. Often eaten fresh or used in marmalade.
三宝柑は和歌山県の特産品です。
Sanbokan is a specialty of Wakayama Prefecture.
このマーマレードは三宝柑で作りました。
This marmalade is made from sanbokan oranges.