noun
Cs
noun
1
Abbreviation for cirrostratus, a type of high, thin, sheet-like cloud.
"The forecaster noted a thin layer of Cs moving in from the west."
How to Use Cs
Learner’s notesIn plain EnglishA meteorological shorthand for cirrostratus cloud.
When to use it
Used almost exclusively in weather reports and forecasting notation.
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The forecaster noted a thin layer of _____ moving in from the west.