middle vs middle-age spread

middle

• The central part of a human body; the waist. 

• A centre, midpoint. 

• The part between the beginning and the end. 

• The middle stump. 

• The middle voice. 

• Pertaining to the middle voice. 

• Located in the middle; in between. 

• Central. 

middle-age spread

• Belly fat that develops in middle age.