SS
symbol[ˌɛs.ˈʔɛs]
One of the official capital forms of ß, or ss used in Swiss and Liechtenstein German, or once ſs
SS is a German symbol meaning “One of the official capital forms of ß (the other one is ẞ), or ss used in Swiss and Liechtenstein German, or once ſs (in Antiqua)”.