海かい路ろalso: うみじ · うなじかいろCommon wordJLPTN1Freq.FrequencyTop 100,000Meanings1noun, adverbsea route; by seaRefers to a route taken over the sea, or traveling by ship. Can be used as a noun or adverbially.彼かれらは海かい路ろでヨーロッパへ向むかった。They headed to Europe by sea.海かい路ろの安あん全ぜんを確かく保ほする。Ensure the safety of the sea route.