Si Collection, Middle Volume
Radical: Fire (huǒ)
熨
Kangxi Strokes: 15
Page 680, Entry 35
Guangyun (Expanded Rhymes): Pronounced wei (falling tone), same pronunciation as the character for console. Identical to the character for console. For a detailed explanation, see the annotations for that character. Records of the Grand Historian (Shiji), Biography of Bian Que: To press with medicinal heat. Annotation: Medicinal heat refers to the application of heated medicine to the affected area for treatment.
Also, in Guangyun (Expanded Rhymes) and Jiyun (Collected Rhymes): Pronounced yu (entering tone). Guangyun (Expanded Rhymes) defines this as using fire to press and iron cloth or silk to make it smooth.
Also, in Jiyun (Collected Rhymes): Another definition refers to a smoothing iron. Sometimes written in a variant form. According to the entering tone section of Jiyun (Collected Rhymes), the characters for console and this character are recorded separately.