DCHP-1 Online
sish (ice) [imitative, influenced by slush and swish] Esp. Nfld 
n. See 1918 quote.
See also: frazil slur ice swish ice frazil ice
- 1887 [There was] a slight coating of "sish" or ice-scum on the harbour.
- 1909 Then the wind suddenly fell, and I noticed that I was travelling over loose "sish," which was like porridge and probably many feet deep.
- 1918 "Sish" ice is made up of tiny bits formed by the pounding together of the large pans by the heavy seas.
- 1924 This "sish" ice was now simply falling to bits, for the wind-pressure had disappeared.
- 1933 . . . each one [icepan] will be rimmed around by the splashing of the "sish."
- 1887 [There was] a slight coating of "sish" or ice-scum on the harbour.