tran·som 
/ˈtrænsəm/ noun
plural tran·soms /ˈtrænsəm/ noun [count] 1 US : a small window that is above a door or larger window —called also (Brit) fan light 2 : a stone or wooden bar that goes across the top of a door or window
over the transom
US : without being asked for or expected — used especially to describe a book, story, etc., that is sent to a publisher ▪ The manuscript arrived over the transom.
