- A roof covering a semicircular space; half a dome.半圆形穹顶：覆盖了半圆形空间的屋顶；穹顶的一半
- middle management
- middlemen
- middlemost
- middle name
- middle-of-the-road
- Middle Palisade
- Middle River
- middles
- Middlesbrough
- middle school
- Middlesex Community College (Connecticut)
- Middlesex Community College (Massachusetts)
- Middlesex County College
- Middle Stone Age
- Middle Tennessee State University
- middle term
- Middleton
- Middletown
- middleweight
- Middle Welsh
- Middle West
- middle–aged
- middle–of–the–road
- middling
- middling