fan worm
noun
1- a tube-dwelling marine bristle worm which bears a fan-like crown of filaments that are typically brightly coloured and project from the top of the tube, filtering the water for food particles缨腮蚕（生活在管内的一种海洋环节虫）。
1.1
- Families Sabellidae and Serpulidae, class Polychaeta: numerous species, including the peacock worm.缨腮蚕科和龙介虫科, 多毛纲：众多种, 包括孔雀缨腮蚕。