Verb (5-dan, す, transitive)
1.  to take down;  to bring down;  to lower (a hand, flag, shutter, etc.);  to drop (an anchor, curtain, etc.);  to let down (hair);  to launch (a boat)
2.  to drop off (a passenger);  to let off;  to unload (goods, a truck, etc.);  to offload;  to discharge
esp. 降ろす
3.  to withdraw (money)
4.  to use for the first time;  to wear for the first time
5.  to cut off;  to fillet (fish);  to grate (e.g. radish);  to prune (branches)
6.  to remove (someone from a position);  to oust;  to drop
esp. 降ろす
7.  to clear (the table);  to remove (offerings from an altar);  to pass down (e.g. old clothes);  to hand down
8.  to expel from the body (e.g. worms);  to abort (a fetus)
9.  to invoke (a spirit);  to call down