Saint John's wort

Saint John's wort definition - medical

Saint John's wort (jŏnz)

noun
Any of various herbs or shrubs of the genus Hypericum, having yellow flowers and used in alternative medicine as a treatment for mild depression.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.