巨波 is read as きょは (kyoha) and means billow.
きょは
kyoha
きょだいは
giant wave
きょだい
huge
きょじん
Tokyo Giants (baseball team)
きょかん
giant
きょがく
huge sum (esp. of money)
きょせい
giant star
きょたい
huge body
きょぼく
big tree
きょひ
great cost
きょあく
great evil
きょり
huge profit
きょだいぶんし
macromolecule