Mental acuity or intelligence and great power or physical strength, considered together. Our star football player got into an Ivy League school because he has brains and brawn.

What is the difference between brawn and brain?

As nouns the difference between brawn and brain

is that brawn is strong muscles or lean flesh, especially of the arm, leg or thumb while brain is the control center of the central nervous system of an animal located in the skull which is responsible for perception, cognition, attention, memory, emotion, and action.

What does all brawn and no brains meaning?

Idiom: To be all brawn and no brain. Meaning- to be physically strong but not very intelligent. Example: Donald is a good football player, but he is all brawn and no brain.