Chapter 1. Despondency of Arjuna: Verse 13
सहसैवाभ्यहन्यन्त स शदस्तुमुलोऽभवत् ||
sahasaiva-abhyahanyanta sah shabdas-tumulo-abhavat
Commentary & Explanation
Seeing(hearing) Bhishma making Lion's roar thus encouraged Kauravas started sounding their respective Conches, Bugles, Trumpets, Drums & Horns making ferocious noise.
Here the sounds created by the Kauravas is described as horrific. A fearful and aggressive mind is naturally inclined towards violence. Kauravas were also the first to start call of war, indicating their impatience.
|Gomukhaah||Cow horns; Go=cow|
|Abhyahanyanta||Sounded simultaneously, made together|