Sea of Okhotsk

Wiktionary

1. n. A sea between the Kamchatka Peninsula on the east, the Kuril Islands on the southeast, the island of Hokkaidō to the far south, the island of Sakhalin along the west, and a long stretch of eastern Siberian coast along the west and north.

WordNet 3.0

1. n. an arm of the Pacific to the east of Asia