Verse 8

तत्त्वावबोधो भगवन्सर्वाशातृणपावकः ।प्रोक्तः समाधिशब्देन नतु तूष्णीमवस्थितिः

In plain words

Blessed one, awakening to tattva -- a fire that burns away the dry grass of every hope and craving -- is what is meant by the word 'samādhi', and not mere silent sitting.