Definition of "logwood" []

• A spiny tropical American tree (Haematoxylon campechianum) in the pea family, having dark heartwood from which a dyestuff is obtained. (noun)
• The heartwood of this tree. (noun)
• The purplish-red dye obtained from the heartwood of this tree. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "All this from a little tree simply called logwood."
• "The history of land-use can be inferred through the presence in the woodlands of trees such as logwood (Haematoxylum campechianum) produced from Central America in the 18th century."
• "Some dye-stuffs, such as logwood for blacks, work best when the wool is mordanted with chromic acid, which is effected when sulphuric acid is the assistant mordant."