Mahabharata 5.81.21

तं मेरुशिखरप्रख्यं मेघदुन्दुभिनिस्वनम्आरुरोह रथं शौरिर्विमानमिव पुण्यकृत्

taṃ meruśikharaprakhyaṃ meghadundubhinisvanamāruroha rathaṃ śaurirvimānamiva puṇyakṛt

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