The Collaborative International Dictionary of English v.0.48:

Biggin \Big"gin\, n.
   A coffeepot with a strainer or perforated metallic vessel for
   holding the ground coffee, through which boiling water is
   poured; -- so called from Mr. Biggin, the inventor.
   [1913 Webster] Biggin

The Collaborative International Dictionary of English v.0.48:

Biggin \Big"gin\, Bigging \Big"ging\, n. [OE. bigging. See
   Big, Bigg, v. t.]
   A building. [Obs.]
   [1913 Webster] Biggon

The Collaborative International Dictionary of English v.0.48:

Biggin \Big"gin\, n. [F. b['e]guin, prob. from the cap worn by
   the B['e]guines. Cf. Beguine, Biggon.]
   A child's cap; a hood, or something worn on the head.
   [1913 Webster]

         An old woman's biggin for a nightcap.    --Massinger.
   [1913 Webster]

WordNet (r) 3.0 (2006):

biggin
    n 1: a child's tight-fitting cap; often ties under the chin