Noun
A subsidiary frame (chunk of data).
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.
(Internet) One of the HTML frames that make up a frameset.
Source: en.wiktionary.orgThus, with 300 bits in a subframe times 5 subframes in a frame times 25 frames in a message, each message is 37,500 bits long. Source: Internet
Each subframe consists of ten words, each 30 bits long. Source: Internet
The engine and transmission were mounted on a separate subframe which was secured with only six bolts. Source: Internet