hump
n. countable B2 Upper Intermediate US //ˈhəmp// UK //hˈʌmp// hump
n. a rounded part that sticks out from something flat, like on the back of a camel. You can also use it to describe a raised area of ground or a physical shape on a person's back.
n. a rounded protuberance or bulge on a surface, such as the natural growth on the back of a camel or a physical deformity of the spine.
The camel stores fat in the large hump on its back.
The truck slowed down as it drove over a large hump in the dirt road.
Geologists identified the unusual hump in the landscape as a drumlin, a hill formed by the movement of ancient glacial ice.
Usage
Commonly used in the idiom 'over the hump' to mean past the most difficult part of a task.