Licker in

(Carding Machine) the drum, or cylinder, by which the lap is taken from the feed rollers.

See also: Licker

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
"Yeh must allus remember yer father, too, child, an' remember he never drunk a drop of licker in his life, and seldom swore a cross oath.
Oscar develops a mysterious rash and Alex finds the Filth Licker in the shower which launches Miku and her companions on a perilous quest where they are beset by all manner of supernatural creatures.