Plural of 'cee'; the letter C, or anything shaped like the letter C.
From the letter C, which was pronounced 'cee' in English. The plural 'cees' follows standard English pluralization of letters and letter names.
The letter C is a troublemaker—it sounds like 'k' before some letters and like 's' before others, so maybe we need multiple 'cees' to cover all its personalities!
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