letterwood
字木
木
Letterwood \Let"ter*wood`\ (-w[oo^]d`), n. (Bot.)
The beautiful and highly elastic wood of a tree of the genus
{Brosimum} ({Brosimum 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.