'Rheum' definitions:

Definition of 'rheum'

From: WordNet
noun
A watery discharge from the mucous membranes (especially from the eyes or nose)
noun
Rhubarb [syn: Rheum, genus Rheum]

Definition of 'Rheum'

From: GCIDE
  • Rheum \Rhe"um\ (r[=e]"[u^]m), n. [NL., from L. Rha the river Volga, on the banks of which it grows. See Rhubarb.] (Bot.) A genus of plants. See Rhubarb. [1913 Webster]

Definition of 'Rheum'

From: GCIDE
  • Rheum \Rheum\ (r[udd]m), n. [OF. reume, rheume, F. rhume a cold,, L. rheuma rheum, from Gr. ???, fr. "rei^n to flow, akin to E. stream. See Stream, n., and cf. Hemorrhoids.] (Med.) A serous or mucous discharge, especially one from the eves or nose. [1913 Webster]
  • I have a rheum in mine eyes too. --Shak. [1913 Webster]
  • Salt rheum. (Med.) See Salt rheum, in the Vocabulary. [1913 Webster]

Definition of 'Rheum'

From: GCIDE
  • Rhubarb \Rhu"barb\, n. [F. rhubarbe, OF. rubarbe, rheubarbe, reubarbare, reobarbe, LL. rheubarbarum for rheum barbarum, Gr. ??? (and ??) rhubarb, from the river Rha (the Volga) on whose banks it grew. Originally, therefore, it was the barbarian plant from the Rha. Cf. Barbarous, Rhaponticine.]
  • 1. (Bot.) The name of several large perennial herbs of the genus Rheum and order Polygonaceae. [1913 Webster]
  • 2. The large and fleshy leafstalks of Rheum Rhaponticum and other species of the same genus. They are pleasantly acid, and are used in cookery. Called also pieplant. [1913 Webster]
  • 3. (Med.) The root of several species of Rheum, used much as a cathartic medicine. [1913 Webster]
  • Monk's rhubarb. (Bot.) See under Monk.
  • Turkey rhubarb (Med.), the roots of Rheum Emodi. [1913 Webster]

Synonyms of 'rheum'

From: Moby Thesaurus