Definitions

1. noun

A type of ship or vessel with a flat or nearly flat hull, especially one that was common in the 17th to 19th centuries.

“The old sailing ship had a distinctive whaleback shape that allowed it to navigate through shallow waters.”

2. noun

A hump or ridge on the back of an animal, especially a whale.

“The whale’s prominent whaleback made it easy to spot in the open ocean.”