*thwaite*

n. [ CF. Icel. þveit a piece of land, fr. þvīta to cut. See Thwite, and cf. Doit, and Twaite land cleared of woods. ] Forest land cleared, and converted to tillage; an assart. [ Obs. or Prov. Eng. ] [ 1913 Webster ]

☞ Thwaite occurs in composition as the last element in many names of places in the north of England; as, in Rosthwaite, Stonethwaite. [ 1913 Webster ]