follow Dictionary.com

Why is the ninth month called September?

aculeus

[uh-kyoo-lee-uh s] /əˈkyu li əs/
noun, plural aculei
[uh-kyoo-lee-ahy] /əˈkyu liˌaɪ/ (Show IPA)
1.
Also, acus. the modified ovipositor or sting of certain hymenopterous insects.
2.
prickle (def 2).
Origin
1820-1830
1820-30; < Latin: sting, barb, equivalent to acu(s) needle + -leus noun suffix
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for aculeus
  • aculeus length was measured including the part extended inside the eversible membrane.
British Dictionary definitions for aculeus

aculeus

/əˈkjuːlɪəs/
noun
1.
a prickle or spine, such as the thorn of a rose
2.
a sting or ovipositor
Word Origin
C19: from Latin, diminutive of acus needle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for aculeus

Few English speakers likely know this word

Word Value for aculeus

9
0
Scrabble Words With Friends