·noun The first rudiments of an organism, whether animal or plant.
II. Embryo ·adj Pertaining to an embryo; rudimentary; undeveloped; as, an embryo bud.
III. Embryo ·noun The germ of the plant, which is inclosed in the seed and which is developed by germination.
IV. Embryo ·noun The young of an animal in the womb, or more specifically, before its parts are developed and it becomes a fetus (see Fetus).