Definition of defects:
(n) :
A fault or malfunction.
(n) :
The quantity or amount by which anything falls short.
(v) :
(intransitive) To abandon or turn against; to cease or change one's loyalty, especially from a military organisation or political party.
(v) :
(military) To desert one's army, to flee from combat.
(v) :
(military) To join the enemy army.
(v) :
(law) To flee one's country and seek asylum.