UNMUFFLE

Source: 566, 567

unmuffle. Unmuffle, v.t. to take a covering off the face

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Un‐muf″fle (?), v. t. [[1st pref. un- + muffle.]] 1. 1. To take a covering from, as the face; to uncover.
2. 2. To remove the muffling of, as a drum.