n. pl. dai·sies
1. Any of several plants of the composite family, especially:
a. A widely naturalized Eurasian plant (Leucanthemum vulgare syn. Chrysanthemum leucanthemum) having flower heads with a yellow center and white rays. Also called oxeye daisy, white daisy.
b. A low-growing plant (Bellis perennis) native to Europe and widely naturalized, having flower heads with white or pinkish rays. Also called English daisy.
c. The flower head of any of these plants.
2. Slang One that is deemed excellent or notable.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.