Full \Full\, v. t. [imp. & p. p. {Fulled}; p. pr. & vb. n. {Fulling}.] [OE. fullen, OF. fuler, fouler, F. fouler, LL. fullare, fr. L. fullo fuller, cloth fuller, cf. Gr. ? shining, white, AS. fullian to whiten as a fuller, to baptize, fullere a fuller. Cf. {Defile} to foul, {Foil} to frustrate, {Fuller}. n. ] To thicken by moistening, heating, and pressing, as cloth; to mill; to make compact; to scour, cleanse, and thicken in a mill.