Definition of embryo

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