海かい陸りくかいりくMeanings1nounland and seaRefers to both land and sea as a pair, often used in contexts like transportation, military, or natural features.海かい陸りくの交こう通つうが発はっ達たつしている。Transportation by land and sea is well developed.海かい陸りく両りょう用ようの車しゃ両りょうを開かい発はつした。They developed an amphibious vehicle.