Fuller \Full"er\, n. [AS. fullere, fr. L. fullo. See {Full}, v.
t.]
One whose occupation is to full cloth.
[1913 Webster]
{Fuller's earth}, a variety of clay, used in scouring and
cleansing cloth, to imbibe grease.
{Fuller's herb} (Bot.), the soapwort ({Saponaria
officinalis}), formerly used to remove stains from cloth.
{Fuller's thistle} or {Fuller's weed} (Bot.), the teasel
({Dipsacus fullonum}) whose burs are used by fullers in
dressing cloth. See {Teasel}.
[1913 Webster]