Definitions for "Shuga"
a form of new ice, composed of spongy, white lumps a few cm across, that tend to form in rough seas; they resemble slushy snow balls. (Photo courtesy of the Antarctic Sea-Ice Processes and Climate program (ASPeCt).)
An accumulation of spongy, whitish chunks of ice a few centimeters across formed from grease ice or slush. It forms instead of pancake ice if the freezing takes place in seawater that is considerably agitated.