What is the meaning of 'musk'?

What is the meaning of 'musk'? Correct Answer a substance used in making perfume

Musk (কস্তরি, মৃগনাভি) অর্থ - A substance used in making perfume. Mask - মুখোশ; ছদ্মবেশ; Masque - কাব্যনাট্য।
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