तस्य संजनयन्हर्षं कुरुवृद्धः पितामहः। सिंहनादं विनद्योच्चैः शङ्खं दध्मौ प्रतापवान् ॥

tasya sañjanayan harṣhaṁ kuru-vṛiddhaḥ pitāmahaḥ siṁha-nādaṁ vinadyochchaiḥ śhaṅkhaṁ dadhmau pratāpavān

To enhearten him, the Ancient of the Kurus, the Grandsire, the glorious, blew his conch, sounding on high a lion's roar.

In plain words: To cheer Duryodhana up, the honored old grandfather Bhishma blows his conch shell horn. It sounds loud like a lion's roar.