n. pl. stro·bi·li (-bīlī)
1. A cone of a gymnosperm or of a seedless vascular plant such as a horsetail or a club moss.
2. Any of various similar structures, such as the female inflorescence of a hop plant, which is composed of small flowers obscured by overlapping green bracts.
[Late Latin, pine cone, from Greek strobilos, twisted object, pine cone, from strobos, a whirling; see streb(h)- in the Appendix of Indo-European roots.]
stro′bi·laceous (-bə-lāshəs) adj.
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.