A company controlled by another company.

Something that is auxiliary or secondary in importance.

कुछ ऐसा जो सहायक या महत्व में द्वितीयक हो।

English Usage: The subsidiary belt was used to provide additional support in the machinery.

Hindi Usage: मशीनरी में अतिरिक्त समर्थन देने के लिए सहायक बेल्ट का उपयोग किया गया।