the GNU version of the Collaborative International Dictionary of English
n. A secondary mask, or grotesque interlude, between the parts of a serious mask.
The Century Dictionary and Cyclopedia
n. A secondary or lesser mask, of a ludicrous character, introduced between the acts of a serious mask by way of lightening it; a ludicrous interlude. Also antic-mask and antimasque.
Word Usage
"Eugene O'Donnell, a professor of police science at John Jay College of Criminal Justice, said arrests for violating the antimask laws are uncommon."