- a flat piece of metal joining one rail, stanchion, or beam to another
WordReference Random House Unabridged Dictionary of American English © 2019
- Buildinga metal or wooden plate or slab, bolted to each of two members that have been butted or lapped together.
- Rail Transporta joint bar.
- fish, alteration of French fiche fastening, derivative of ficher to fasten, fix (see fichu) + plate1 1850–55