noun, plural -fiche, -fich⋅es, verb, -fiched, -fi⋅ching.| 1. | a flat sheet of microfilm in a form suitable for filing, typically measuring 4 by 6 in. (10 by 15 cm) and containing microreproductions, as of printed or graphic matter, in a grid pattern. |
| 2. | to enter or record on a microfiche: The correspondence was microfiched for easy storage. |