box frame

noun

1. Architecture. a monolithic reinforced-concrete structure having walls and floors in the form of slabs.
2. Building Trades. a window frame with pockets for sash weights.

Word History and Origins

Origin of box frame¹

First recorded in 1875–80

Example Sentences

A cargo-cover of light canvas not only closely fits the bottom and sides of the box-frame but overlaps the top.

From Project Gutenberg

To produce this effect a heavy box frame is made, and over it is tightly drawn a calf skin.

From Project Gutenberg

The birds had taken one of these for a door, and built a nest inside, in the box frame over a window.

From Project Gutenberg

At the opposite end of the box frame a counterweight was attached which balanced about 700 lb.

From Project Gutenberg

The leather is drawn over the springs and tacked to the outside of the open box frame.

From Project Gutenberg