Denshi Jisho — Online Japanese dictionary

下す くだす 1: to make (a decision); to pass (judgement, etc.); to hand down (orders, etc.);
2: to let go down; to lower;
3: to do oneself; to do by oneself
Common word, Godan verb with su ending, Transitive verb 
下す おろす 1: to take down (e.g. flag); to launch (e.g. boat); to drop; to lower (e.g. ladder); to let (a person) off; to unload; to discharge;
2: to drop off (a passenger from a vehicle); to let (a person) off;
3: to withdraw money from an account;
4: to wear (clothing) for the first time;
5: to fillet (e.g. a fish)
Irregular okurigana usage, Godan verb with su ending, Transitive verb 

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