Leterwood or Letterwood: How To spell?

The word Leterwood is misspelled against Letterwood, a noun meaning "The beautiful and highly elastic wood of a tree of the genus Brosimum (B. Aubletii), found in Guiana; -- so called from black spots in it which bear some resemblance to hieroglyphics; also called snakewood, and leopardwood. It is much used for bows and for walking sticks."