box frame

American  

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.

---

Etymology

Origin of box frame

First recorded in 1875–80

Example Sentences

To top off the look, he wore a white hat with a box frame and lips that curved upward.

From Los Angeles Times • Oct. 9, 2022

The hat is now displayed in Ruberg’s home in a shadow box frame, along with a pregnancy test, hospital bracelets, a sonogram image and other newborn paraphernalia.

From Washington Post • Jul. 2, 2021

Resorting to her tent, she retrieved the clay tablet of the night before and emerged holding it by it's bamboo-backed box frame.

From Si'Wren of the Patriarchs by Cheney, Roland Jon

A box, frame, crib, or inclosed place, used as a receptacle for any commodity; as, a corn bin; a wine bin; a coal bin.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah

That is, each hill is inclosed by a portable box frame about 3 feet square and usually having a movable sash cover.

From Manual of Gardening (Second Edition) by Bailey, L. H. (Liberty Hyde)