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Meaning of licker-in

lick•er-in

Pronunciation: (lik'ur-in'), [key]
— n.
  1. a roller on a carding machine, esp. the roller that opens the stock as it is fed into the card and transfers the fibers to the main cylinder. Also called taker-in.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.