From WordNet (r) 3.0 (2006):
defect
n 1: an imperfection in a bodily system; "visual defects"; "this
device permits detection of defects in the lungs"
2: a failing or deficiency; "that interpretation is an
unfortunate defect of our lack of information" [syn:
defect, shortcoming]
3: an imperfection in an object or machine; "a flaw caused the
crystal to shatter"; "if there are any defects you should
send it back to the manufacturer" [syn: defect, fault,
flaw]
4: a mark or flaw that spoils the appearance of something
(especially on a person's body); "a facial blemish" [syn:
blemish, defect, mar]
v 1: desert (a cause, a country or an army), often in order to
join the opposing cause, country, or army; "If soldiers
deserted Hitler's army, they were shot" [syn: defect,
desert]