Definition of m-1:
(v) :
(knitting) make
(n) :
(obsolete) thousand
(n) :
(US, film) A film with the content rating M.
(n) :
Monsieur.
(n) :
(cricket, in batting figures) the number of minutes a player spent at the crease
(n) :
(cricket, in bowling figures) the number of maiden overs bowled