from the GNU version of the Collaborative International Dictionary of English
- n. A grotesque mask, representing a person chewing or grimacing, worn in processions and by comic actors on the stage.
from The Century Dictionary and Cyclopedia
- n. In Roman antiquity, a comic character of Italic origin, wearing a mask with gaping jaws set with great teeth, which were made to clash against each other.
Sorry, no etymologies found.