Bhagavad Gita 1.12

तस्य संज्ञाहर्षं कुरुवृद्ध: पितामह: |
सिंहनादं विनद्योच्चैः शङ्खं दध्मौ प्रतापवान्

Translation

Then, the grand old man of the Kuru dynasty, the glorious patriarch Bheeshma, roared like a lion, and blew his conch shell very loudly, giving joy to Duryodhan.