The Collaborative International Dictionary of English v.0.48:
Snuggery \Snug"ger*y\, n.; pl. Snuggeries. A snug, cozy place. [Colloq.] --Dickens. [1913 Webster]WordNet (r) 3.0 (2006):
snuggery n 1: a small secluded room [syn: cubby, cubbyhole, snuggery, snug]