Vocabulary What does カスピ海 (カスピかい, kasupikai) mean? カスピ海 (カスピかい, kasupikai) means Caspian Sea. Quick factsReadingカスピかいRomajikasupikaiPart of speechnoun カスピ海カスピかいkasupikaiCaspian Sea1noun Caspian SeaKanji in this word海sea