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