Wall'-crĕss, n.
n. (Bot.) (a.) A cruciferous plant of the genus Arabis, the species of which, for the most part, grow on walls, and in dry, stony places. (b.) A plant of the genus Turritis.
n. (Bot.) (a.) A cruciferous plant of the genus Arabis, the species of which, for the most part, grow on walls, and in dry, stony places. (b.) A plant of the genus Turritis.