acantha

== English == === Etymology === From Ancient Greek ἄκανθα (ákantha, “thorn”), from ἀκή (akḗ, “thorn”) +‎ ἄνθος (ánthos, “flower”). === Pronunciation === (General American) IPA(key): /əˈkæn.θə/, /əˈkænt.θə/ === Noun === acantha (plural acanthas) (botany) A prickle. (zoology) A spine or prickly fin. (anatomy) A spinous process of a vertebra. ==== Related terms ==== acanthus === References === “acantha”, in OneLook Dictionary Search.