The Collaborative International Dictionary of English v.0.48:

Swarded \Sward"ed\, a.
   Covered with sward. --Mrs. Browning.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sward \Sward\, v. t. & i. [imp. & p. p. Swarded; p. pr. & vb.
   n. Swarding.]
   To produce sward upon; to cover, or be covered, with sward.
   --Mortimer.
   [1913 Webster]