v.tr. 1 prepare (a thing) for use or action. 2 prepare (a gun) for firing or (an explosive) for detonation. 3 a pour (a liquid) into a pump to prepare it for working. b inject petrol into (the cylinder or carburettor of an internal-combustion engine). 4 prepare (wood etc.) for painting by applying a substance that prevents paint from being absorbed. 5 equip (a person) with information etc. 6 ply (a person) with food or drink in preparation for something.
[ 16th c.: orig. unkn. ]