rail clip

noun

1

: a metal plate projecting over the base of a rail for bolting the rail to its support

2

: an anchor for fastening the rear of a derrick car or a crane to the rails of a track to keep the crane from tipping while lifting a heavy load

3

: a metal support bolted or clamped to a rail for carrying a detector bar

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!