* A type of poem: In Persian literature, a "ruba" is a four-line poem with a specific rhyme scheme.
* To steal: "Ruba" can mean "to steal" or "to rob". This is a less common usage compared to the literary context.
* A nickname: "Ruba" can be a nickname for someone named "Ruhollah" (روح الله), a common male name in Iran.
To understand the precise meaning of "ruba" in a particular instance, you need to consider the context of the sentence or situation.