\▐nēd-\ n [ME kneden, fr. OE cnedan; akin to OHGr knetan to knead] (before 12c) A mixer with a pair of intermeshing blades, often S-shaped, used for working plastic masses of semi-dry or rubbery consistency. (Perry's chemical engineer's handbook, 7th edn. Perry RH, Green DW (eds). McGraw-Hill, New York, 1997).