A wooden cup or drinking vessel, especially a small one.
From Old English or Germanic roots related to 'cup' and 'coupe'. The word may be related to Proto-Germanic '*kuppan' and is cognate with modern English 'cup'.
In Scotland and Northern England, a 'caup' was so common in daily life that it became a marker of regional identity—the word itself is a window into how local dialects preserve older versions of familiar words.
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