kd

Abbreviation of khaki drill, a form of British military uniform made of cotton.

Initialism of known depredator: a category of criminal.

Initialism of compatibility decomposition.

Initialism of Kraft Dinner: a packaged dry macaroni and cheese mix.

Lots of people who grew up eating KD keep a box in their cupboard just in case. You never know when you'll need comfort and convenience.

Initialism of knockdown (“collection of parts to assemble a product”).