The term 'protective shelter' can be summarized by two crossword solutions: LEE (3 letters) and SCONCE (6 letters). LEE is a common surname, derived from Old English and meaning 'clearing in the woods'. It is also a popular given name, often used as a shortened form of other names such as Leeland or Leeroy. SCONCE is a type of wall-mounted candle holder, typically made of metal or ceramic. It is designed to hold a candle or other light source and provide illumination in a room. Both LEE and SCONCE are commonly used to refer to protective shelters, either in the form of a person's name or a physical object.