(business, attributive) A business model where one item is sold cheaply (or given away for free) in order to increase sales of a complementary good, such as blades for a razor, or ink cartridges for a printer.

(informal, disability sports, athletics) a para-athlete who runs (and jumps) upon artificial feet of the type colloquially known as "blades", in jumping events

plural of doctor blade

one of the specially shaped rotating parts (blades) of a mechanical fan which move and distribute air.

plural of blade connector

plural of blade jumper

plural of blade-woman

A woman who is skilled in sword fighting.

plural of backed blade

(archaeology) A prehistoric flint knife with one edge blunted (backed) and the other sharpened.