K-rail

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A concrete barrier used to separate lanes of traffic.

Synonyms

All synonyms
jersey barrierparabolic concrete barrier

Etymology

This term is stipulated in a specification of the California Department of Transportation, who first started using concrete median barriers in the mid-1940s. The reason for the letter K is uncertain.

More for "k-rail"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.