aculeus

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aculeus

(əˈkjuːlɪəs)
n
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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aculeus - a stiff sharp-pointed plant processaculeus - 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 insectaculeus - 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
References in periodicals archive ?
Low telescopic power will show why this one is sometimes called the Butterfly Cluster.
We'll wind up this month's tour with a drawing of the Butterfly Cluster (M6) in Scorpius.