noun Any of the genus Rumex of coarse weedy plants with small green flowers related to buckwheat, especially bitter dock (Rumex obtusifolius), and used as potherbs and in folk medicine, especially in curing nettle rash.
noun A burdock plant, or the leaves of that plant.
noun The fleshy root of an animal's tail; specifically after clipping or cutting.
noun The buttocks or anus.
noun A leather case used to cover the clipped or cut tail of a horse.
verb To clip or cut off a section of an animal's tail; to practise a caudectomy.