barrel chest

From a figurative resemblance to a barrel (cask): large, convex, and deep in the anteroposterior dimension.

barrel chest (plural barrel chests)

1. A large, deep chest, as:
   1. A robust chest, often correlated with ample physical strength and endurance, especially among people raised at high altitudes.
   2. A deep and somewhat misshapen chest, sometimes associated with emphysema.

• funnel chest (pectus excavatum) (concave, sunken)
• pigeon chest (pectus carinatum) (convex but peaked)

• barrel-chested