ザーザー

ザーザー, ざーざー, ざあざあzaazaa

adverb

  1. (raining) heavily
  2. (water rushing) plentily
  3. with white noise
  4. with a buzz

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences