haematoxylon
noun
hae·ma·tox·y·lon
| \ -ˈtäk-sə-ˌlän
\
\
Medical Definition of haematoxylon
1
capitalized
: a genus of tropical American bushy and usually thorny leguminous trees with clusters of small yellow flowers that include the logwood (H. campechianum)
2
: the wood or dye of logwood