SCUM
ADJECTIVES
► SPUMIFEROUS that bears foam, froth, or scum → 1656 obs.
NOUNS
► FECULENCE feculent matter; dregs, lees, dross, scum; also, filth → a1648
► IME soot; a thin scum or coating deposited on a surface → 1892 Sc.
► IMIN a thin scum or covering → 1893 Eng. dial.
► KEAM the scum or froth which rises upon any liquid → 1777 Eng. dial.
► MANTLE the green vegetable coating on standing water → 1605 obs.
► OFFSCUM scum, dross, refuse → 1579
► QUINKINS dregs or leavings of any kind; scum of a liquid; charred traces of food which have stuck to the saucepan; a fry-up after the killing of a pig; tidbits of any kind → 1825 Sc.
► SCAUF scurf, scum → 1904 Eng. dial. (Bk.)
► SCRAM scum, refuse → 1888 Eng. dial.
► SCRUFF scum, dregs → 1929 Amer. dial.
► SILTS dregs, refuse, scum → 1635 obs.
► SKIM scum, the impurities that collect on the surface of a boiling liquid → 1539 obs. exc. Amer. dial.
► SKINNINGS frothy residue skimmed from a boiling liquid; scum → 1986 Amer. dial.
VERBS
► MANTLE of liquids: to be or become covered with a coating or scum → 1626
Lexicophilia 