vavṛṣuḥ - they showered; puṣpa-varṣāṇi - showers of flowers; vimāna - of airplanes; āvalibhiḥ - by great numbers; nabhaḥ - the sky; kurvantaḥ - making; saṅkulam - filled up; rājan - O King Parīkṣit; bhaktyā - with devotion; paramayā - transcendental; yutāḥ - endowed.

O King, crowding the sky with their many airplanes, they showered down flowers with great devotion.