sludge
n. குழைசேறு, பனிச்சேறு, சாக்கடைக்கசடு.
Sludge, n. Etym: [CF. Slush.] 1. Mud; mire; soft mud; slush. Mortimer. Tennyson. 2. Small floating pieces of ice, or masses of saturated snow. Kane. 3. (Mining) Defn: See Slime, 4. Sludge hole, the hand-hole, or manhole, in a steam boiler, by means of which sediment can be removed.