Wipe over new cab bonnet

• Formerly worn indoors by women
• Fancy indoor headpiece for a woman
• Woman's headwear in the 18th century
• Headwear for an 18th-century housemaid
• Colonial era headwear
• Old headwear for women

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Mobcap \Mob"cap`\, n. [D. mop-muts; OD. mop a woman's coif + D. muts cap.] 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. --Thackeray.

Wiktionary Word definitions in Wiktionary
n. (alternative form of mob cap English)

WordNet Word definitions in WordNet
n. large high frilly cap with a full crown; formerly worn indoors by women