Definition of "eyebright" [eye•bright]

• Any of several plants of the genus Euphrasia, having small, opposite, toothed leaves and white and purplish flowers grouped in spikes. (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.

• "Euphrasia (eyebright, which is known to cause a clear and bland nasal discharge along with tearing of the eyes that burns and irritates the skin under the eye), Ambrosia (ragweed, an herb that creates pollen that is known to be irritating to some hay fever sufferers), and Solidago (goldenrod, an herb that creates pollen that is known to be irritating to some hay fever sufferers)."
• "Wet-kneed, we walked by pastures filled with the white froth of meadowsweet and river-bank flora of lady's bedstraw, betony, devil's bit scabious, greater burnet and eyebright, kneeling several times to store memories of the scent of the last of the fragrant orchids."
• "I had collected a pocketful of eyebright and dittany by the time they finished talking and Hugh Munro rose to go."