Acre /ˈɑːkɹi/noun 2/ˈeɪ.kɚ/ noun 1phrases 1 noun2 •A state of the North Region, Brazil. Capital: Rio Branco. •A river in South America. Acre /ˈeɪ.kɚ/ noun1 •A port city in northern Israel, holiest city in the Baháʼí Faith. Phrases with Acre all over hell's half acreAll over the place; everywhere.