subframe

plural subframes

1. A subsidiary frame (chunk of data).

   Four status bits accompany each subframe.

   2001, John Watkinson, An introduction to digital video

2. A structural component of a vehicle, such as an automobile or aircraft, that uses a discrete, separate structure within a larger body-on-frame or unit body to carry certain components, such as the engine, drivetrain, or suspension.

   In the rebuilding no alterations have been made to the queen-post underframes except to add the subframe carrying the engine-transmission group.

   1958 May 28, “Diesel Railcars for Ireland”, in Railway Magazine, page 354

3. InternetOne of the HTML frames that make up a frameset.

   Specify the dimensions of your main frame and subframes and this online utility will create them for you.

   1998, Steven E Callihan, Create your first Web Page in a weekend