Hŏv'el-ing, n.
n. A method of securing a good draught in chimneys, or of preventing them from smoking, by covering the top and leaving openings in the sides, or by carrying up two of the sides higher than the other two.
n. A method of securing a good draught in chimneys, or of preventing them from smoking, by covering the top and leaving openings in the sides, or by carrying up two of the sides higher than the other two.