the GNU version of the Collaborative International Dictionary of English
n. A plain cap or headdress for women or girls; especially, one tying under the chin by a very broad band, generally of the same material as the cap itself.
The Century Dictionary and Cyclopedia
n. A cap with a bag-shaped or puffy crown and a broad band and frills.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. large high frilly cap with a full crown; formerly worn indoors by women
Word Usage
"And hair a frizzed hennaed horror beneath a stained mobcap, her striped yellow and red gown stretched to breaking beneath a pink apron."