Also, what does top of the hill mean?
Inf. escaped from prison or the military. (*Typically: be ~; go ~.) Two privates went over the hill last night.
Similarly, what is the flat part of a mountain called? A mesa is a flat-topped mountain or hill. It is a wide, flat, elevated landform with steep sides. Mesa is a Spanish word that means table.
Keeping this in view, how high does a hill have to be to be considered a mountain?
1,000 feet
What is a small hill called?
hillock