Definitions
1.NounA fault or malfunction."a defect in the ear or eye; a defect in timber or iron; a defect of memory or judgment"
2.NounThe quantity or amount by which anything falls short.
3.NounA part by which a figure or quantity is wanting or deficient.
4.VerbTo abandon or turn against; to cease or change one's loyalty, especially from a military organisation or political party.
5.VerbTo desert one's army, to flee from combat.
6.VerbTo join the enemy army.
7.VerbTo flee one's country and seek asylum.