‖n. [ L., fr. sordere to be dirty or foul. ] Foul matter; excretion; dregs; filthy, useless, or rejected matter of any kind; specifically (Med.), the foul matter that collects on the teeth and tongue in low fevers and other conditions attended with great vital depression. [ 1913 Webster ]
n. [ See Sordine. ] (Mus.) A sordine. [ 1913 Webster ]