Definition of floor plate
1 : a plate (as of steel or iron) set in or forming part of a floor and sometimes provided with T slots to which heavy work and portable machine tools can be bolted to facilitate machining and erection
2 : a wooden board lying flat on the floor and supporting the studs of a wall
3 : a plate closing the bottom of the magazine recess in a bolt-action rifle having a clip-loaded magazine
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up floor plate? Please tell us where you read or heard it (including the quote, if possible).