D defs.my
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Entry 2 senses · 2 variants Webster, 1913

Rheum

/(rē"ŭm)/ · Rhe·um · IPA /ɹuːm/
01 n. A genus of plants. See Rhubarb.
  1. 1.
    A genus of plants. See Rhubarb.(Bot.) See: Rhubarb
02 n. A serous or mucous discharge, especially one from the eves or nose.
  1. 1.
    A serous or mucous discharge, especially one from the eves or nose.(Med.)
    “I have a rheum in mine eyes too.” — Shak.
Phrases & compounds
Salt rheum — See Salt rheum, in the Vocabulary.