In ancient and medieval physiology and medicine: one of the four cardinal humours (see humour, n. 1a), described as cold and moist, and supposed…

Watery or mucous secretions, esp. as collecting in or dripping from the eyes, nose, or mouth, originally believed to originate in the brain or head…

concrete. That which drops or falls in drops, as rain, melting wax, etc.; the fat that drops from roasting meat, dripping. (In quot. 1398 = rheum.)

Any sticky or slimy substance, as bird-lime or glue; also, rheum or phlegm.

Dirt, filth, foulness, corruption; mucus.

? ‘Phlegm’ (Jamieson).

A viscous substance secreted by the mucous cells and glands of animals to provide protection, lubrication, etc., consisting predominantly of…

Glutinous mucus; phlegm.