विस्फूर्जथु 1 Roaring, thundering, rumbling.
2 A clap or peal of thunder.
3 (Hence) A thunderlike manifestation or rise, any sudden appearance or stroke; ममैव जन्मांतरपा- तकानां विपाकविस्फूर्जथुरप्रसह्यः R. 14. 62.
4 Rolling (as of waves); swell, surging appearance; महोर्मिवि- स्फूर्जथुनिर्विशेषाः R. 13. 12.