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Definition of rheum

rheum

/ruːm/
rheum

Plural:rheums
•
Adjective:rheumy
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rheum Lexical Profile

rheum Game Scores & Validity

• noun

1

A watery fluid or thin mucus discharged from the eyes or nose, especially during sleep or due to a cold or old age.

Example

"The elderly dog had a slight buildup of rheum in the corners of its eyes after waking up."


2

An archaic or literary term for a head cold, catarrh, or rheumatic ailment.

Example

"In the damp winter months, the old sailor often complained of a persistent rheum settling in his chest and joints."


3

Any vigorous herbaceous perennial plant of the genus Rheum in the family Polygonaceae, native to Eurasia and including culinary rhubarb and ornamental species cultivated for their large palmate leaves and tall, showy panicles of small white, pink, or crimson flowers.

Synonyms
View all synonyms for rheum

Word Nuance & Usage

Pronounced identically to 'room' (/ruːm/), not to be confused with the layout of a building.

• Rhymes for rheum

Word Origin & Etymology

From Old French reume, via Late Latin rheuma from Ancient Greek rheuma ('a stream, current, or bodily discharge'), derived from the verb rhein ('to flow').

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Rheum. In Wordmom Dictionary. Retrieved Oct 21, 2026, from https://wordmom.com/dictionary/rheum
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