Short for 陸前国 (Rikuzen-no-kuni): Rikuzen Province, one of the provinces of Japan separated from the older 陸奥 (Mutsu) Province in the early Meiji period; today part of Miyagi and Iwate prefectures

a male given name

Phnom Penh (the capital of Cambodia)

concentrate, reduce (to decrease the liquid in food) / bring a discussion to a conclusion