noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The congenital lack of a head (especially in a parasitic twin) uncountable
2. 2
   absence of the head (as in the development of some monsters) wordnet

Synonyms

All synonyms

acephaliaacephaliaacephalism

Etymology

From a- + -cephaly.

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