Dictionary/領海りょうかいRyoukaiJLPT N1領海 (Ryoukai) is a Japanese noun meaning “territorial waters”.Meaningsnounterritorial watersKanji in 領海領jurisdiction海seaRelated words海sea了解comprehension海外foreign海豚dolphin (or other small toothed whales, incl. porpoises, belugas, etc.)海老prawn北海道Hokkaido (island, prefectural-level administrative unit)襟collar大統領president (of a country)横領embezzlement内海inland sea領収書formal receipt (of payment; oft. hand-written)海軍navy