mesomorph
/ˈmɛzəˌmɔrf/
noun
- A person with a body type that is naturally muscular and athletic, with a medium build and low body fat.
- Many professional swimmers are mesomorphs because their body type helps them move quickly through water.
- The coach noticed that the new player was a natural mesomorph, with broad shoulders and strong arms.
- She was a mesomorph, so she gained muscle easily when she started weight training.