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.

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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

A carved cornice or the regular box frame may be used.

From Furnishing the Home of Good Taste A Brief Sketch of the Period Styles in Interior Decoration with Suggestions as to Their Employment in the Homes of Today by Throop, Lucy Abbot

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)

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

From Mission Furniture How to Make It, Part I by Windsor, H. H. (Henry Haven)