(Botany)a slender projection from the root of a parasitic plant, such as a dodder, or from the hyphae of a parasitic fungus, enabling the parasite to penetrate the tissues of its host and absorb nutrients from it (植)(寄生植物的)吸器
派生 haustorial adjective 语源
late 19th cent.: modern Latin, from Latin haustor 'thing that draws in', from the verb haurire