n. One who grasps or seizes; one who catches or holds. [ 1913 Webster ]
n. One who, or that which, rasps; a scraper. [ 1913 Webster ]
a. [ Tetra- + Gr. &unr_; a seed. ] (Bot.) Having four seeds. [ 1913 Webster ]
Tetraspermous plant, a plant which produces four seeds in each flower. [ 1913 Webster ]