यस्तदोड्डयनोत्कानां शरभाणां विजृम्भितैः ।विस्फूर्जति गुहावक्रैः कल्पाभ्राणि हसन्निव
In plain words
which, with the gaping yawns of śarabhas then eager to take flight, and with the winding recesses of its caves, thunders, as though laughing at the clouds of the kalpa.