Heavy fabric curtains that hang from windows for privacy or decoration; or the verb meaning to arrange cloth in loose folds.
From Old French 'draperie' (cloth), related to 'drap' (cloth). The word came to English through trade and textile commerce. The '-es' can be plural noun or third-person singular verb.
The word 'drape' became popular in art and fashion because it describes how fabric falls and folds naturally—painters studied the 'drape' of fabric for centuries, and it's the same principle used in sculpture, costume design, and even how fashion designers describe movement in clothing.
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