a. A large rhododendron (Rhododendron maximum) of eastern North America, having large glossy leaves and flowers with a white to rose-pink, bell-shaped corolla with green spots. Also called great laurel.
b. Any of several similar rhododendrons.
2. See oleander.
3. Chiefly British A fireweed.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.