Definition of "mechanical device" [mechanical device]
Mechanism consisting of a device that works on mechanical principles (noun)
WordNet. Princeton University. 2010.
Use "mechanical device" in a sentence
"Handing a large and, ironically, spider-shaped mechanical device to the EMH, Lense said, “I need to place a cardiopulmonary contact monitor on the patient, but I can’t reach the center of its torso.”"