Wheal

(n.) A pustule; a whelk.

(n.) A more or less elongated mark raised by a stroke; also, a similar mark made by any cause; a weal; a wale.

(n.) Specifically (Med.), a flat, burning or itching eminence on the skin, such as is produced by a mosquito bite, or in urticaria.

(n.) A mine.

校对:史蒂文