1.NounInstantiation of a theme, principle, or concept along with another or others; instantiation by the same instance that also instantiates another or others."Edward MacNeal was pointing out the ubiquity of coinstantiation in daily life when he explained regarding apples and oranges (both literal and proverbial) that "we must feel free to redefine apples and oranges as fruit, missiles, paperweights, or theatrical props as suits our changing needs; then we can observe the rules of addition and have the result make sense.""
2.NounAn instance of coinstantiating, or its product: an instance that instantiates more than one theme, principle, or concept."A baseball can be a coinstantiation of the concepts of a ball, a piece of sporting goods, a toy, a collectible, and a memento."