资料来源 : pyDict

女用室内头巾之一种

资料来源 : Webster's Revised Unabridged Dictionary (1913)

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.

资料来源 : WordNet®

mobcap
     n : large high frilly cap with a full crown; formerly worn
         indoors by women