Source : Webster's Revised Unabridged Dictionary (1913)

Bookland \Book"land`\, Bockland \Bock"land`\, n. [AS. b?cland;
   b?c book + land land.] (O. Eng. Law)
   Charter land held by deed under certain rents and free
   services, which differed in nothing from free socage lands.
   This species of tenure has given rise to the modern
   freeholds.