"rhubarbs" in the noun sense
1. pieplant, rhubarb
long pinkish sour leafstalks usually eaten cooked and sweetened
2. rhubarb, rhubarb plant
plants having long green or reddish acidic leafstalks growing in basal clumps stems (and only the stems) are edible when cooked leaves are poisonous
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License