1.Definition: relating to or concerned with machinery or tools
"Mechanical arts", "Mechanical design", "Mechanical skills"
2.Definition: relating to or governed by or in accordance with mechanics
"A belief that the universe is a mechanical contrivance", "The mechanical pressure of a strong wind"
3.Definition: using (or as if using) mechanisms or tools or devices
"A mechanical process", "His smile was very mechanical", "A mechanical toy"