'Earldom' definitions:

Definition of 'earldom'

From: WordNet
noun
The dignity or rank or position of an earl or countess
noun
The domain controlled by an earl or count or countess

Definition of 'Earldom'

From: GCIDE
  • Earldom \Earl"dom\, n. [AS. eorl-d?m; eorl man, noble + -d?m -dom.]
  • 1. The jurisdiction of an earl; the territorial possessions of an earl. [1913 Webster]
  • 2. The status, title, or dignity of an earl. [1913 Webster]
  • He [Pulteney] shrunk into insignificancy and an earldom. --Chesterfield. [1913 Webster]