shapekey
nounUK /ˈʃeɪpkiː/
US /ˈʃeɪpkiː/
A shapekey is a special key on a computer that changes how a 3D character looks.
The animator used a shapekey to make the cartoon face smile.
OTHER MEANINGS
2. A saved setting that stores a particular shape of a 3D object.
She saved the angry expression as a shapekey.
3. A control in animation software that blends between different facial shapes.
Drag the shapekey slider to make the eyes bigger.
4. A preset form used to quickly switch a model between poses.
The game uses shapekeys for lip-sync during dialogue.