1.Definition: (of a person) possessing physical strength and weight; rugged and powerful
"A muscular boxer"
2.Definition: having a robust muscular body-build characterized by predominance of structures (bone and muscle and connective tissue) developed from the embryonic mesodermal layer
3.Definition: having or suggesting great physical power or force
"The muscular and passionate Fifth Symphony"
4.Definition: of or relating to or consisting of muscle