Definition of mechs:
(n) :
(science fiction) A large piloted combat robot.
(n) :
(science fiction) A robot.
(n) :
An ethnic group belonging to the Bodo-Kachari group of peoples; one of the scheduled tribes of India.
(n) :
(uncountable) Clipping of mechanics. [(physics) The branch of physics that deals with the action of forces on material objects with mass]
(adj) :
Abbreviation of mechanized. [Equipped with machinery.]
(n) :
(cycling) Clipping of (derailleur) mechanism.