The crossword solution for the term TITLE IN A POITIER TITLE is SIR, which is a three letter word. SIR is an honorific title used in many countries, especially in the United Kingdom, to address a man who has been knighted by the monarch. It is also used as a form of address for certain officials, such as justices of the peace and baronets. Sidney Poitier was an American actor and director who was knighted by Queen Elizabeth II in 1974.