Mahabharata 6.70.19

तमेकं रथिनां श्रेष्ठं शरवर्षैरवाकिरन्प्रावृषीव महाशैलं सिषिचुर्जलदा नृप

tamekaṃ rathināṃ śreṣṭhaṃ śaravarṣairavākiranprāvṛṣīva mahāśailaṃ siṣicurjaladā nṛpa

Our plain-language meaning of this verse is waiting for scholar review.