WordWeb Online

1. Using (or as if using) mechanisms, tools or devices
   "a mechanical process"; "his smile was very mechanical"; "a mechanical toy"
    
2. Relating to or concerned with machinery or tools
   "mechanical arts";
   - mechanically skillful [N. Amer], technical
    
3. 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"

See also: automatic, automatonlike, machinelike, mechanic, mechanised [Brit], mechanistic, mechanized, robotic, robotlike, windup

Antonym: nonmechanical

Encyclopedia: Mechanical, electrical and plumbing