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n. pl. a·can·thae (-thē)
A sharp spiny part or structure, such as the spinous process of a vertebra.

[New Latin, from Greek akantha, thorn.]


a pointed, projecting structure, such as a thorn or prickle
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acantha - any sharply pointed projection
projection - any solid convex shape that juts out from something
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References in periodicals archive ?
The old-fashioned hrub roses provide beautiful hips d haws in the autumn as well as utiful summer blooms and heady nts if chosen carefully and both acantha and some of the shrubs can be used for hedging too.
Maxpedition's tough, ergonomic Acantha tactical pen is equipped with a premium Fisher Space Pen cartridge.
In an interview with the weekly Choteau Acantha newspaper, he gushed, ``I've never seen anything so beautiful in my life.