Definition of "vervain" []

• See verbena. (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.

• "They have him strung up from the rafters with ropes soaked in vervain."
• "Also the perfume it contains is precious, being blent with the herb vervain which is powerful against evil spirits. ""
• "Liz changes her mind when she sees Damon choke on vervain-spiked lemonade, and has the brothers shot and taken prisoner in the Lockwood slave quarters."