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aculeus

   Also found in: Encyclopedia, Wikipedia 0.02 sec.
aculeus [əˈkjuːlɪəs]
n
1. (Life Sciences & Allied Applications / Botany) a prickle or spine, such as the thorn of a rose
2. (Life Sciences & Allied Applications / Zoology) a sting or ovipositor
[from Latin, diminutive of acus needle]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.aculeus - a stiff sharp-pointed plant process
plant process, enation - a natural projection or outgrowth from a plant body or organ
pricker, prickle, spikelet, sticker, thorn, spine - a small sharp-pointed tip resembling a spike on a stem or leaf
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


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