subframe

noun

sub·frame ˈsəb-ˌfrām

variants or sub-frame

plural subframes or sub-frames

: a secondary frame

especially : one that is used for the attachment and support of a finish frame (as of a door or window) or of finish panels (as of a wall)

Strictly speaking, the vertical members of a curtain wall's subframe are called mullions, while horizontal members are called transoms. —

Jason Alread et al.

The rolled steel sections, generally 1/8" thick and 1 - 1 1/2" wide, were used for all the components of the windows: sash, frame, and subframe … —

The Preservation of Historic Architecture: The U.S. Government's Official Guidelines for Preserving Historic Homes

Examples of subframe in a Sentence

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Attached to that tub are front and rear alloy subframes (think of them as big spars) to carry the powertrain and also the suspension. —

Mark Ewing, Forbes, 17 Oct. 2024 Parts of the front subframe are hollow and double up as cooling ducts for the brakes. —

Jason Barlow, WIRED, 17 Oct. 2024 Introduced in 1989 and put into production by 1991, Honda’s NSX was marketed in North America as an Acura, and was years ahead of its time with the first all-aluminum unit-body, chassis subframes, and suspension of any production car. —

Robert Ross, Robb Report, 28 Sep. 2024 To keep construction simple, the battery and motor are part of a stressed member, negating the need for a subframe. —

James Morris, Forbes, 21 Sep. 2024 See all Example Sentences for subframe