any of various plants belonging to the genus Verbascum, of the figwort family, native to the Old World, esp. V. thapsus, a tall plant with woolly leaves and a dense spike of yellow flowers.
2.
any of several similar plants.
Also, mullen.
Origin: 1325–75; ME moleine < AF, perh. deriv. of mol soft < L mollis
[muhl-uh
n] 