mistletoe

1. (countable, uncountable) Any of numerous hemiparasitic evergreen plants of the order Santalales with white berries that grow in the crowns of apple trees, oaks, and other trees, such as the European mistletoe (Viscum album) and American mistletoe or eastern mistletoe (Phoradendron leucarpum).Examples: "Miſtletoe, by phyſicians, &c. called viſcus, grows to the height of about two feet. […] Pliny and moſt naturaliſts relate, that thruſhes being exceedingly fond of the berries of the miſtletoe; they ſwallow them, and caſt them out again on the branches of trees, where they uſe to perch; and by this means give occaſion to a new production of miſtletoe."; "In Martigny I first observed the custom, common throughout many parts of Switzerland, of hanging mistletoes over the house doors; a superstition for which I have not been able to get any reason rendered."; "Mistletoes were growing on the Euphorbias; they were much more succulent than when growing on woody shrubs or on trees. […] One of the Mistletoes common in Southern Africa, has small, myrtle-like leaves and red berries; another is leafless, and has stems resembling a Salicornia."countableuncountable

2. (uncountable) A sprig of one such plant used as a Christmas decoration, associated with the custom that a man may kiss any woman standing beneath it.Examples: "Miſtletoe! why I know what that is, as we garniſh our Houſe with it every Year, at Chriſtmas."; "There were ruddy, brown-faced, broad-girthed Spanish Onions, shining in the fatness of their growth like Spanish Friars; and winking from their shelves in wanton slyness at the girls as they went by, and glanced demurely at the hung-up mistletoe."; "Everybody knows a turkey and some mistletoe / Help to make the season bright / Tiny tots with their eyes all aglow / Will find it hard to sleep tonight"uncountable