gargoyle

gargoyle
/ˈgɑ:gɔɪl; `ɡɑrɡɔɪl/ n
stone or metal spout in the form of a grotesque human or animal figure, for carrying rain-water away from the roof of a church, etc （作怪异人形或动物形的）滴水嘴; （疏导雨水的）凸饰漏嘴.

牛津英汉双解词典