As used in this article, the following words, terms and phrases shall have the following meanings:
A fence, wall or other substantial barrier not less than four feet high with a self-closing, self-latching gate of the same height as the fence and of such character as reasonably to prevent access to the pool. A dwelling or accessory building may be used as part of such "fence." The gate shall be locked at all times when the swimming pool is not in use. No part of the said "fence" shall be nearer than five feet to said pool. The "fence" shall be constructed in such a way that no person may gain access to the pool beneath or through said "fence." All existing private swimming pools shall be fenced within 60 days after adoption of this article.
A body of water artificially constructed, in whole or in part, having a depth at any point greater than 18 inches when full, located outdoors within 500 feet of any residence other than that to which it is appurtenant, used or intended to be used for swimming, bathing, wading, etc., by the owner of the pool and members of his or her household or other guests.