Learner's definition of RHETORICAL
of, relating to, or concerned with the art of speaking or writing formally and effectively especially as a way to persuade or influence people
of a question
asked in order to make a statement rather than to get an answer
“Should we be leaving soon?” “Is that a rhetorical question?” [=is that a question you're asking as a way to say that we should be leaving soon?]
My question was rhetorical. I wasn't really expecting an answer.