DCHP-1 Online
Helluland [< ON "land of boulders"] Hist. 
n. See 1958 quote.
- 1869 The country called Helluland, or Slateland in the Saga, was evidently Newfoundland; that called Markland, or Woodland, was Nova Scotia and Cape Breton.
- 1958 Helluland, the most northerly of three regions on the E. coast of North America names in Icelandic literature of the 11th century. The other two were Markland and Vinland. Helluland may have been on Baffin Island. See Norse Voyages.
- 1869 The country called Helluland, or Slateland in the Saga, was evidently Newfoundland; that called Markland, or Woodland, was Nova Scotia and Cape Breton.