dormer
n. சாய்கூரையில் செங்குத்தாக உந்திக்கொண்டிருக்கும் பலகணி,
Dor"mer, or Dor"mer win"dow (, n. Etym: [Literally, the window of a sleeping apartment. F. dormir to sleep. See Dormant, a. & n.] (Arch.) Defn: A window pierced in a roof, and so set as to be vertical while the roof slopes away from it. Also, the gablet, or houselike structure, in which it is contained.