A parasitic evergreen plant of Europe (Viscum album), bearing a glutinous fruit. When found upon the oak, where it is rare, it was an object of superstitious regard among the Druids. A bird lime is prepared from its fruit.
- A Eurasian parasitic shrub (Viscum album) having leathery evergreen leaves and waxy white berries.
- Any of several American parasitic shrubs, such as Phoradendron flavescens of eastern North America.
- A sprig of mistletoe, often used as a Christmas decoration.