With relation to the Sun, it does, but since the Sun is moving, the Earth moves in a helixal orbit. But, the distance from the Earth to the Sun is 92,957,130 miles, so the circumfrence of that circle would be 584,066,873 miles.
Ambulatory strictly means the ability to walk but in the context of surgery, it refers to patients who are able to leave the hospital the same day as the surgery, without being admitted. Ambulatory surgery is referred to by other names, commonly called minimally invasive surgery, outpatient surgery or same day surgery.
Also found in: Dictionary, Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia. Related to ambulatory: Ambulatory blood pressure monitoring. Movable; revocable; subject to change; capable of alteration. An ambulatory court was the former name of the Court of King's Bench in England. It would convene wherever the king who presided over it could be found, moving its location as the king moved. An ambulatory disposition is a judgment, decree, or sentence that is subject to change, amendment, or revocation. A will is considered ambulatory because as long as the person who made it lives, it can always be changed or revoked.