n. In classical mythology, the goddess of flowers.n. [lowercase; pl. floræ, floras (-rē, -räz).] In botany: The aggregate of the plants indigenous to a particular country or region, or belonging to a particular period: as, the Australasian flora; the flora of the Carboniferous period. See fauna.n. A work systematically describing the plants of a country or region or a geological period.n. The eighth planetoid, discovered by Hind, in London, in 1847.