transitive. To subject (cloth, esp. woollen cloth) to various mechanical processes in order to clean and thicken or felt it.

to full cloth, cf. German walken.

To make (cloth, etc.) close in texture by fulling; = thicken, v. 5. Obsolete.

transitive. To pass (cloth or other material) through a fulling-mill; to thicken (cloth, wool, etc.) by fulling. Also in extended use.