| Answer | Crossword Clue |
|---|---|
| MAT | Frame within a frame |
| MAT | Frame inside a frame |
| subframe | a frame for the attachment of a finish frame |
| subframes | SUBFRAME, a frame for the attachment of a finish frame |
| muntin | stile within the frame of a door or the like |
| muntins | stile within the frame of a door or the like |
