Entertainment / Literature / Clerihew: In light verse, a funny poem of closed-form with four lines rhyming ABAB in irregular meter, usually about a famous person from history or literature. Typically the historical person's name forms one of the rhymes. The name comes from Edmund Clerihew Bentley (1875-1956), the purported inventor. He supposedly had a habit of scribbling down such rhymes during dull lectures at school, including this one from his chemistry class: Sir Humphrey Davy, Abominated gravy. He lived in the odium, Of having discovered sodium.