Definition of sash cord in US English:
 sash cord
nounˈsæʃ ˌkɔ(ə)rdˈsaSH ˌkô(ə)rd
A strong cord attaching either of the sash weights of a sash window to a sash.
mass noun they trussed them in sash cord
 Example sentencesExamples
-  Be sure you do not cover the pulleys and that the sash cords or chains can run free.
 -  Gently lever out any nails holding the broken sash cords to the window frame.
 -  When replacing sash cord, put a 16d nail into the end of the cord before feeding it through the pulley.
 -  Also, if your sash cords dangle near the floor, install a hook to hang them higher up - they're a strangulation risk.
 -  They are subject to rot and paint loss, loose fit, worn or no weather stripping, broken sash cords and malfunction.