- The definition of a balustrade is a railing that is held up by supporting posts.
An example of a balustrade is the railing on the top of a long railing around a deck.
An old balustrade supported by balusters.
balustrade definition by Webster's New World
Origin: French balustrade ; from Italian balaustrata ; from balaustro: see baluster
balustrade definition by American Heritage Dictionary
Origin: French, from Italian balaustrata, from balaustro, baluster; see baluster.