Definition of "vesicatory" [ves•i•ca•to•ry]

• Vesicant. (adjective)
• A vesicant. (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.

• "Vesicatorium (Blistering plaster; vesicatory plaster). 1 lb."
• "But, alas! like that of many queens, the felicity did not last long; before morning, I heard her saying to her sister, in a doleful tone, 'Soffy, will you have my vesicatory?'"
• "Now, there was likely to be some difficulty about getting her to submit quietly to this operation, so, after an instant's reflection, I called both her and her sister, and told them that the most diligent of the two should have a vesicatory put on her arm at night."