scum
n. கலிப்பு நுரை, மாசேடு, கசடு, கழிவு, சவறு, சக்கை, செத்தை, மக்கள்தொகையின் கழிகடை, கழிசடை மக்கள், (வினை.) மேற்பரப்பிலுள்ள கழிவு நுரையை எடு, கலிப்பு ஏட்டினை நீக்கு, மேற்கசடாய் அமை, கலிப்பேடாக உருவாகு, மேல்நுரைப்பு எய்தப்பெறு.
Scum, n. Etym: [Of Scand. origin; cf. Dan. & Sw. skum, Icel. sk, LG. schum, D. schuim, OHG. sc, G. schaum; probably from a root meaning, to cover. sq. root158. Cf. Hide skin, Meerschaum, Skim, v., Sky.] 1. The extraneous matter or impurities which rise to the surface of liquids in boiling or fermentation, or which form on the surface by other means; also, the scoria of metals in a molten state; dross. Some to remove the scum it did rise. Spenser. 2. refuse; recrement; anything vile or worthless. The great and innocent are insulted by the scum and refuse of the people. Addison. Scum, v. t. [imp. & p. p. Scummed; p. pr. & vb. n. Scumming.] 1. To take the scum from; to clear off the impure matter from the surface of; to skim. You that scum the molten lead. Dryden & Lee. 2. To sweep or range over the surface of. [Obs.] Wandering up and down without certain seat, they lived by scumming those seas and shores as pirates. Milton. Scum, v. i. Defn: To form a scum; to become covered with scum. Also used figuratively. Life, and the interest of life, have stagnated and scummed over. A. K. H. Boyd.