Word.ws English Dictionary

aculei

aculei is the plural of aculeus.

Meaning of aculeus

Noun

aculeus (plural aculei)

  1. A sharp spike or other projection growing on a plant, as in some brambles and roses.
    • Many plants, like many animals, are furnished with arms for their protection; these are either aculei, prickles, as in rose and barberry, which are formed from the outer bark of the plant; or spinæ, thorns […].1789, Erasmus Darwin, The Loves of the Plants, J. Johnson, page 15
  2. A sting.

Questions about aculei

What is aculei the plural of?
Aculei is the plural of aculeus.

Words near aculei in the dictionary

  1. aculeate
  2. aculeated
  3. aculeately
  4. aculeates
  5. aculeatiside
  6. aculei
  7. aculeiform
  8. Aculeo
  9. aculeolate
  10. aculeoside
  11. aculeous

Source and license

Adapted from Wiktionary: aculei (page history and authors); aculeus (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “aculei.” Word.ws, https://word.ws/aculei. Based on Wiktionary, CC BY-SA 4.0.