Initialism of Milton Keynes.: A borough in Buckinghamshire, England; also the first part of the postcode for the area.

(politics) Initialism of Member of Knesset. / (sexuality, anatomy, slang) Initialism of mooseknuckle. / Initialism of missionary's kid.

(computing) Initialism of mouse, keyboard, screen.

meter-kilogram-second system of units.

(Internet slang, text messaging) Alternative spelling of m'kay.

Alternative form of mks / Abbreviation of McKusick-Kaufman syndrome.

Alternative form of Mk

Abbreviation of mark. (a particular make or model)

plural of MK

plural of MK