Balustrade and Backstop

Balustrade noun - A protective barrier consisting of a horizontal bar and its supports.

Backstop and balustrade are semantically related In some cases you can use "Backstop" instead a noun "Balustrade".

Backstop noun - (baseball) a fence or screen (as behind home plate) to prevent the ball from traveling out of the playing field.

Balustrade and backstop are semantically related in barrier used to enclose a piece of land topic. Sometimes you can use "Balustrade" instead a noun "Backstop".