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1. (Botany) a prickle or spine, such as the thorn of a rose
2. (Zoology) a sting or ovipositor
[C19: from Latin, diminutive of acus needle]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||aculeus - a stiff sharp-pointed plant process|
|2.||aculeus - a sharp-pointed process especially a sting of a hymenopterous insect|
stinger - a sharp organ of offense or defense (as of a wasp or stingray or scorpion) often connected with a poison gland
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.