Wiktionary
mech.
a. 1 (abbreviation of mechanical English) 2 (abbreviation of mechanized English) n. 1 (abbreviation of mechanic English) 2 (abbreviation of mechanics English)
Usage examples of "mech.".
The only important difference was that this one had to have some fancy gadgetry on the landing mech. Stein had given her the orbit calcs today.