something or a lack of something that results in incompleteness, inadequacy, or imperfection: as
a : a flaw in something (as a product) esp. 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
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.