overjaw
nounEtymology From Middle English overjowe, over jawe, a partial calque of earlier Middle English over chavel (“upper jaw”), equivalent to over- + jaw.
1
Rare The upper jaw (superior maxillary).
- And when they eat, they move the overjaw and nought the nether jaw, and they have no tongue.1926, Arthur Percival Newton, Travel and Travellers of the Middle Ages, page 161:
- The King was now represented with a receding forehead, a lined and haggard face, a long nose, thick lips, slanting eyes, a hanging overjaw, and hollow cheeks.1993, The S S E A Journal, volume 23, page 66:
1 more example
- He drove her over the Hayward Fault, its boundaries jammed together like an overjaw clenched to an underjaw.2022, Sharon Olds, Balladz, page 143: