rheum Meaning, Definition & Usage

  1. noun a watery discharge from the mucous membranes (especially from the eyes or nose)
  2. noun rhubarb
    genus Rheum.

WordNet

Rhe"um noun
Etymology
NL., from L. Rha the river Volga, on the banks of which it grows. See Rhubarb.
Definitions
  1. (Bot.) A genus of plants. See Rhubarb.
Rheum noun
Etymology
OF. reume, rheume, F. rhume a cold,, L. rheuma rheum, from Gr. , fr. to flow, akin to E. stream. See Stream, n., and cf. Hemorrhoids.
Definitions
  1. (Med.) A serous or mucous discharge, especially one from the eves or nose.
    I have a rheum in mine eyes too. Shak.

Webster 1913