noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The lower jawbone.
2. 2
   the jaw in vertebrates that is hinged to open the mouth wordnet

Synonyms

All synonyms

jawbonejowllower jawlower jawlower jawbonelower mouth

Etymology

From sub- + maxilla.

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