The crossword solution for the term 'Pen for Lewis Carroll' is GAOL, which is a four-letter word. GAOL is an old spelling of the word 'JAIL, ' which is a place where people are held as a punishment for committing a crime. Lewis Carroll was an English writer, mathematician, and photographer who is best known for his novel Alice's Adventures in Wonderland. He was also known to have spent time in JAIL for his involvement in a court case.