שִׁיפָא I, (preced.) planed board. Erub. 101ᵃ (expl. דלת אלמנה) איכא דאמרי דחד ש׳ (Ms. O. דפא, v. Rabb. D. S. a. l. note 2) some say, it means a door consisting of one planed board.