Not too happy with you using autism to call someone dumb, but I'll leave this up assuming it was just a one-off.
Definition of sash for Students. 1  1 : a frame for a pane of glass in a door or window. 2  2 : the movable part of a window.
British, -leez] /vÉËlis or, esp. 1. a small piece of luggage that can be carried by hand, used to hold clothing, toilet articles, etc.; suitcase; traveling bag. briefcase, handbag, pocketbook, purse, valise, wallet.