rheum

noun4

1. •
   Thin or watery discharge of mucus or serum, especially from the eyes or nose, formerly thought to cause disease.

   • You that did voide your rume vpon my beard, / And foote me as you spurne a stranger curre / Ouer your threshold, […] — 1596
2. •
   (literary) Tears.
3. •
   Illness or disease thought to be caused by such secretions; a catarrh, a cold; rheumatism.
4. •
   (informal) Clipping of rheumatologist.