n 1  cap  :  a genus of tropical American bushy and usu. thorny leguminous trees with pinnate leaves and small yellow flowers borne in showy axillary racemes that include the logwood (H. campechianum)  2  :  the wood or dye of logwood .
 
 
 
Similar sounding terms:  he·ma·tox·y·lin 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2024.