But the UP isn't only about the great outdoors. Marquette and the UP's smaller towns, such as Sault Ste. Marie, Houghton and Hancock, charm with attractions. Upper Peninsula Travel and Recreation Association. Tags: Upper Peninsula, Boating, Lighthouses, Hiking, Michigan, Lake Michigan.
Wiktionary (0.00 / 0 votes) Rate this definition: skeleton key (Noun). A very simple design of key that usually has a cylindrical shaft (sometimes called a shank) and a single, minimal flat, rectangular tooth or bit. skeleton key (Noun). A key that has parts filed away so that it will open a range of locks.
add a comment |. up vote 3 down vote. An API key is a unique value that is assigned to a user of this service when he's accepted as a user of the service. The service maintains all the issued keys and checks them at each request.