Mao Collection, Middle Volume. Radical: Hand (shǒu). Entry: Men. Kangxi stroke count: 12. Page 435, Entry 01.
Pronounced men.
Shuowen Jiezi (Dictionary of Explaining and Analyzing Characters) states: to stroke or hold.
Book of Odes (Shijing), Greater Odes: Do not touch my tongue.
Also means to grope or feel. Records of the Grand Historian (Shiji), Annals of Gaozu: The King of Han was wounded in the chest, so he rubbed his feet.
Chu Ci (Songs of Chu), Nine Chapters: Suddenly I ascended and touched the heavens.
Also, in the Rhyme Supplement (Yunbu), it rhymes with min.
Ouyang Xiu, Poem on the Lingxi Stone: Alas, I have a mouth but cannot explain, I sigh and only stroke it with both hands. All say that when the goddess Nuwa first forged it, she condensed the energy and solidified the pure essence.
The common variant form is considered incorrect.