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.
exists and is an alternate of. Merge this question into. Split and merge into it. Answer by Laary C. Confidence votes 10.3K. A map key is a list of words or phrases or colors -- usually within a box in the corner of the map -- that usually explains the symbols that that are found on the map itself.plit and merge into it. Answer by Laary C. Confidence votes 10.3K. A map key is a list of words or phrases or colors -- usually within a box in the corner of the map -- that usually explains the symbols that that are found on the map itself.