from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A genus that included all the genera now included in tribe Acacieae.
- proper n. An epithet in a botanical name at the rank between species and genus, a name which applies to a section of the genus Acacia.
From Ancient Greek ἀκακία (akakia, "shittah tree"), from ἀκή (akē, "point"), probably from Egyptian. (Wiktionary)