knopple, v. rare—1.
(ˈnɒp(ə)l)
[? f. knobble n. or knop n.1]
trans. = knob v. 1.
| 1870 G. M. Hopkins Jrnls. & Papers (1959) 201 Herds of towering pillow clouds, one great stack..was knoppled all over in fine snowy tufts and pencilled with bloom-shadow. |