recrementum

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

rĕ-crēmentum, i, n. [cerno],

refuse , filth , dross , slag , recrement (post-Aug.): plumbi, Cels. 6, 8: farris, i. e. chaff , Plin. 18, 16, 41, § 142; Prud. Apoth. 65.— Of human excrements , Gell. 17, 11, 2.