Denshi Jisho — Online Japanese dictionary

下る くだる 1: to descend; to go down; to come down;
2: to be handed down (of an order, judgment, etc.);
3: to pass (of time);
4: to surrender; to capitulate;
5: (often in neg. form) to be less than; to be inferior to;
6: to have the runs; to have diarrhea
Common word, Godan verb with ru ending, Intransitive verb 
降る くだる 1: to descend; to go down; to come down;
2: to be handed down (of an order, judgment, etc.);
3: to pass (of time);
4: to surrender; to capitulate;
5: (often in neg. form) to be less than; to be inferior to;
6: to have the runs; to have diarrhea
Godan verb with ru ending, Intransitive verb 

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