Source : Webster's Revised Unabridged Dictionary (1913)

Appertinent \Ap*per"ti*nent\, a.
   Belonging; appertaining. [Now usually written {appurtenant}.]
   --Coleridge.

Appertinent \Ap*per"ti*nent\, n.
   That which belongs to something else; an appurtenant. [Obs.]
   --Shak.