noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A three-way intersection of routes shaped like a capital letter Y.
2. 2
   A similarly shaped section in a pipe, etc.

Synonyms

All synonyms

y-intersection

Etymology

From Y (“capital letter”) + junction.

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