Yours, Etc.: Origins and Uses of 8 Sign-Offs
"row of balusters," 1640s, from French balustrade (17c.), from Italian balaustrata "provided with balusters," from balaustro "pillar" (see baluster).
low screen formed by railings of stone, wood, metal, glass, or other materials and designed to prevent falls from roofs, balconies, terraces, stairways, and other elevated architectural elements