defect
noun | \ ˈdē-ˌfekt, di-ˈfekt \ | de·fect
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a : a flaw in something (as a product) especially that creates an unreasonable risk of harm in its normal use — see also latent defect
b : an error or omission in a court document (as an indictment or pleading)
c : some imperfection in the chain of title to property that makes the title unmarketable