mistletoe
/ˈmɪsltəu; `mɪslˌto/ n[U]
evergreen plant with small white berries that grows as a parasite esp onapple trees and is hung indoors as a Christmas decoration槲寄生（常青植物, 尤寄生於苹果树, 结白色小浆果, 用作圣诞节室内悬挂的饰物）
the tradition of kissing under the mistletoe 在槲寄生树下接吻的传统.