Source : Webster's Revised Unabridged Dictionary (1913)

Haematoxylon \H[ae]m`a*tox"y*lon\, n. [NL., fr. Gr. a"i^ma blood
   + ? wood.] (Bot.)
   A genus of leguminous plants containing but a single species,
   the {H. Campechianum} or logwood tree, native in Yucatan.