wheal
1. A more or less elongated mark raised by a stroke; also, a similar mark made by any cause; a weal; a wale.
2. (Science: medicine) Specifically, a flat, burning or itching eminence on the skin, such as is produced by a mosquito bite, or in urticaria.
Origin: Cf. Wale.
(Science: chemical) A mine.
Origin: Cornish hwel.
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