天空海濶 てんくうかいかつ Also written 天空海闊 Meanings Noun the open sky and the serene sea; as open as the sky and serene as the sea; magnanimous Kanji 天 heaven. Read as テン. 空 sky. Read as クウ. 海 sea. Read as カイ. 濶 wide. Read as カツ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists