Adverb
Verb (する)
Onomatopoeic
1.  thundering;  purring;  grumbling (e.g. stomach)
2.  something large and heavy starting to roll
3.  scattered about;  common;  commonplace;  all over
4.  idleness;  idling about
5.  having a foreign substance in (e.g. one's eye or stomach)
Noun
Children's language
Onomatopoeic
6.  thunder