to roar, to crash, to thunder; deve gaḷagaḷāyate (loc. abs.) in a thunderstorm, usually as deve vassante deve g˚; amidst rain and heavy thunder DN.ii.132; SN.i.106; AN.v.114 sq (gala˚); Thag.189; Mil.116 (gaganaṃ ravati galag˚) Kp-a.163 (mahāmegha)
■ Gangā galagalantī the roaring Gangā Mil.122 (cp. halāhalasadda ibid.).

= gaggarāyati, see note on gala