- 1a large lump that sticks out above the surface of something, especially the ground the dark hump of the mountain in the distance
- 2a large lump on the back of some animals, especially camels
- 3a large lump on the back of a person, caused by an unusual curve in the spine (= the row of bones in the middle of the back) Idioms
to have done the most difficult part of something
Check pronunciation: hump