The Collaborative International Dictionary of English v.0.48:

Arear \A*rear"\, v. t. & i. [AS. [=a]r[=ae]ran. See Rear.]
   To raise; to set up; to stir up. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Arear \A*rear"\, adv. [See Arrear, adv.]
   Backward; in or to the rear; behindhand. --Spenser.
   [1913 Webster]