◎ 龙头 lóngtóu

(1) [head of any group,esp.of gangsters]∶江湖上称帮会的头领

(2) [tap;cock;faucet]∶管道上放出液体的活门

(3) [handlebar of a bicycle]∶自行车的车把

(4) [the first part of mud-rock flow]∶泥石流又叫龙扒。它的前端习惯上叫龙头