Pedicle is used in several contexts, some of which include:

1) Pedicle of the vertebral arch, the segment between the transverse process and the vertebral body (which can indeed be seen as the "little feet" coming off of the verterbral "body"), and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures

2) Pedicle of a skin flap (most often in the context of plastic and reconstructive surgery, where the pedicle is often referred to the blood supply that connects the flap of skin, fat, and other surrounding tissue that is going to be used elsewhere on the body and reconnected to a different vascular supply found at the host site). It is as if the blood vessel is seen as the "little foot" that connects the "body" of a skin flap to the "ground" of the body from which it is being donated. 

3) Hilum of kidney, also called the renal pedicle (because it looks like a "little foot" when the kidney is cut in the coronal plane)

4) Pedicel, a foot process of a renal podocyte (again, seen as a "little foot")