anticreeper

noun

an·​ti·​creep·​er

: a device attached to a railroad rail to keep it from moving longitudinally

Word History

Etymology

anti- entry 1 + creeper

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now