Janiceps

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    conjoined twins whose heads are fused together but look in opposite directions plural, plural-only

Etymology

From Latin Iānus (“two-headed god”) + -ceps (“headed”).

Related phrases

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