n. In mythology, an imaginary animal supposed to be generated between the lion and the eagle, and to combine the head, front, and wings of an eagle with the body and hind quarters of a lion.n. In ornithology, a vulture of the genus Gyps; a griffin-vulture.n. Figuratively, a vigilant or repellent guardian; one who stands in the way of free approach or intercourse: in England applied especially to a woman acting as a duenna.n. In India and the East generally: A person not familiar with the customs or ways of the country; a new-comer; a novice; a greenhorn.n. A racing pony or horse that runs for its first time. Also griff, in both uses.