(botany) A prickle.
(zoology) A spine or prickly fin.
Other Word Forms of Acantha
Origin of Acantha
Greek ἄκανθα (akantha, “thorn"), from ἀκή (akÄ“, “thorn") + ἄνθος (anthos, “flower").
New Latin from Greek akantha thorn
From American Heritage Dictionary of the English Language, 5th Edition
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