What is the meaning of Scion?

A descendant, especially a first-generation descendant of a distinguished family.

The heir to a throne.

A guardian.

A detached shoot or twig containing buds from a woody plant, used in grafting; a shoot or twig in a general sense.

accusative of scio

scion (detached twig)

tip of a fishing rod

Ulster form of scian (“knife”)

Source: wiktionary.org