Machine, especially in opposition to an electronic item

HVAC (heating, ventilation, and air-conditioning), the mechanical systems of a building

Mechanical engineering, a branch of engineering concerned with the application of physical mechanics

Automation, using machine decisions and processing instead of human

Mechanical Animals, the third full-length studio release by Marilyn Manson

Mechanical license, used in the music industry to indicate the payment made from a licensee to the owner of a copyright for the right to mechanically reproduce a song

Mechanical (character), one of several characters in Shakespeare's A Midsummer Night's Dream

Mechanization, using machine labor instead of human or animal labor

Mechanism (technology), a portion of a mechanical device