sishy a also shee-shee, shishy* [phonetics unavailable]. Composed of loose fragments of floating ice; cp SISH (ICE).
1884 STEARNS 222 Though the ice had broken up, leaving water visible, there were still large masses of drift, or as it is called shee-shee ice floating up or down with the current or drifting about at the mercy of wind and tide. Q 67-29 Shishy ice. Q 67-64 Sishy ice.
