The kidneys are a pair of organs on either side of the spine in the lower abdomen. Each kidney is about the size of a fist. Attached to the top of each kidney is an adrenal gland. A mass of fatty tissue and an outer layer of fibrous tissue (Gerota's fascia) enclose the kidneys and adrenal glands.
A roll of duct tape. A roll of duct tape. The definition of a roll is something that's been coiled or twisted into a cylinder. An example of a roll is duct tape.
Search also in: Web News Encyclopedia Images. rolling 1 adj Rolling hills are small hills with gentle slopes that extend a long way into the distance. ADJ n ...the rolling countryside of south western France. 2 If you say that someone is rolling in it or is rolling in money, you mean that they are very rich.