| Answer | Crossword Clue |
|---|---|
| decumans | DECUMAN, a great wave |
| decuman | a great wave |
| billow | to rise or roll in or like a great wave; surge. |
| tsunami | a great sea wave produced especially by submarine earth movement or volcanic eruption tidal wave |
| billowed | great wave or surge |
| billows | great wave or surge |
