(noun) one of the most common of the five major classes of immunoglobulins; the chief antibody in the membranes of the gastrointestinal and respiratory tracts
Definitions for Ninja
(noun) a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu
(noun) a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations