rearleg
nounUK /ˈrɪəleɡ/
US /ˈrɪrleɡ/
A rear leg is one of the back legs of an animal.
The dog hurt its rear leg while jumping over the fence.
OTHER MEANINGS
2. The back support leg of a piece of furniture such as a chair or table.
The chair wobbled because one rear leg was shorter than the others.
3. The trailing leg of a two-legged stance or movement in sports.
The sprinter pushed off hard with her rear leg at the starting line.
4. The back leg of a mechanical or robotic structure that provides stability.
The robot's rear leg kept it balanced on the uneven ground.