noun
surging sea; rough sea; large waves
Literary or poetic term for a sea with high, violent waves. Often used in elevated descriptions of the ocean.
船は荒れ狂う波濤を進んでいった。
The ship advanced through the raging, surging sea.
彼の心は波濤のように激しく揺れ動いた。
His heart heaved violently like rough seas.
Compound of 波 (wave) and 濤 (large wave, billow). The character 濤 is a traditional form; the simplified variant is 涛. The reading is on'yomi for both characters.