To bite repeatedly and impatiently, as a horse his bit.To bite into small pieces; craunch; chew; munch: sometimes followed by up.To pound; crush; mash: as, to champ potatoes.To perform the action of biting repeatedly and impatiently: generally followed by on or upon.n. The act of biting repeatedly, as a horse on his bit.n. Mashed potatoes.n. A field.n. In lace-making: The ground upon which the pattern is embroidered or applied. The filling of brides or links between the figures of the pattern of lace that has no ground or bottom.n. The name given to a valuable timber, the product of Michelia excelsa, a tall magnoliaceous tree of the eastern Himalaya. The wood is soft but very durable, and of an olive-brown color.Hard; firm: as, a good champ road.