wall box
noun Building Trades.
an enclosed iron or steel socket built into a masonry wall to support the end of a wooden beam.
Origin of wall box
First recorded in 1870–75
Words nearby wall box
walky-talky,
walkyrie,
walküre, die,
wall,
wall bars,
wall box,
wall brown,
wall creeper,
wall fern,
wall fruit,
wall game