noun

• A seedless and easy-peeling cultivar of mandarin orange of Japanese origin; Citrus unshiu.
• (historical) A former province of Japan, now the western half of Kagoshima Prefecture.
• A number of places in the United States:
• A city in Mobile County, Alabama, named after satsuma oranges grown there.
• An unincorporated community in Putnam County, Florida.
• An unincorporated community in Livingston Parish, Louisiana, renamed from Stafford (for post office reasons) for a satsuma orchard.
• An unincorporated community in Harris County, Texas, named for planned satsuma groves.