a·cu·le·ate (ə-kylē-ĭt, -āt′)
1. Zoology Having a stinger, as a bee or wasp.
2. Botany Having sharp prickles.
[Latin acūleātus, from acūleus, sting, diminutive of acus, needle; see ACUMEN.]
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.