Janiceps
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 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
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.