[ nɪ'zα:m ]
■ noun historical
1》 the title of the hereditary ruler of Hyderabad.
2》 ( the nizam ) the Turkish regular army.
Origin
sense 1 from Urdu nizām-al-mulk 'administrator of the realm', sense 2 from Turk. nizām askeri 'regular soldier'; based on Arab. niẓām 'order, arrangement'.