Definition of monk's rhubarb in English:

monk's rhubarb

Pronunciation /ˌmʌŋks ˈruːbɑːb/


(also monks' rhubarb)
  • Either of two species of dock formerly grown as medicinal plants or pot-herbs, (originally) patience dock, Rumex patientia, and (in later use) R. pseudoalpinus.


Late 16th century; earliest use found in William Langham (fl. 1597), doctor and herbalist. From the genitive of monk + rhubarb, after post-classical Latin Rhabarbarum Monachorum.