◙ noun 1. a long, soft feather or arrangement of feathers used by a bird for display or worn by a person for ornament • 羽毛；羽饰 »a hat with a jaunty ostrich plume. 饰有时髦鸵鸟羽毛的帽子。 [Zoology] a part of an animal's body that resembles a feather • [动] 羽毛，羽状物 »the antennae are divided into large feathery plumes. 触角被分成了硕大的羽状物。 a long cloud of smoke or vapour resembling a feather as it spreads from its point of origin • 羽状烟柱（或气流） »as he spoke, the word was accompanied by a white plume of breath. 他说话时，话语伴随着白色的哈气。 a mass of material, typically a pollutant, spreading from a source • （尤指污染物）（从源头蔓延开来的）（一堆）材料 »a radioactive plume. 一团放射性物资。 (也作 mantle plume)[Geology] a localized column of hotter magma rising by convection in the mantle, believed to cause volcanic activity in locations away from plate margins • [地质] 地幔柱 ◙ verb 1. [no obj.] spread out in a shape resembling a feather • 呈羽毛状散开，散布 »smoke plumed from the chimneys. 烟从烟囱里散布出来。 [with obj.] decorate with or as if with feathers • （用或仿佛用羽毛）装饰；羽饰 »[asadj. plumed] rain began to beat down on my plumed cap. 纷纷扬扬的雨水开始打在我的羽饰帽子上。 2. (plume oneself)(chiefly archaic)(of a bird) preen itself • [主古] （鸟）整理羽毛 (figurative)feel a great sense of self-satisfaction about something • [喻] 引以为傲，引以为豪，炫耀 »she plumed herself on being cosmopolitan. 她以自己见多识广而引以为豪。