What does the word 'Regime' mean?

• Regime (noun)

English Meaning:
1. A government, especially an authoritarian one.
2. A system or ordered way of doing things.
Bangla Meaning:
1. শাসন; সরকার।
2. শাসনব্যবস্থা; সরকারপদ্ধতি; প্রশাসনপদ্ধতি; বিদ্যমান ব্যবস্থা।

• Example Sentence: 
1.The regime of the dictator collapsed with surprising abruptness 
2. Detention centres with a very tough physical regime"

Source: Oxford Learner's Dictionary & Accessible Dictionary by Bangla Academy.