fortyglossary / FORTY forty, n. Archaic. Forty acres of land in the form of a square (the south forty). • To determine a forty, a section of land (640 acres) was quartered, and one of those quarters was again quartered. 词条贡献者 译员Jerry,知名法学院知识产权法,专注翻译各种与版权与商标诉讼有关的法律文件。