Priming
From BiblePortal Wikipedia
Priming [1]
(1): ( n.) The carrying over of water, with the steam, from the boiler, as into the cylinder.
(2): ( n.) The first coating of color, size, or the like, laid on canvas, or on a building, or other surface.
(3): ( n.) The powder or other combustible used to communicate fire to a charge of gunpowder, as in a firearm.
(4): ( p. pr. & vb. n.) of Prime