#1 primer n. an introductory textbook. wn
#2 primer n. [fuse, fuze, fusee, fuzee, priming] any igniter that is used to initiate the burning of a propellant. wn
#3 primer n. [flat coat, ground, priming, primer coat, priming coat, undercoat] the first or preliminary coat of paint or size applied to a surface. wn
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