Source : Webster's Revised Unabridged Dictionary (1913)

Buttery \But"ter*y\, a.
   Having the qualities, consistence, or appearance, of butter.

Buttery \But"ter*y\, n.; pl. {Butteries}. [OE. botery, botry;
   cf. LL. botaria wine vessel; also OE. botelerie, fr. F.
   bouteillerie, fr. boutellie bottle. Not derived from butter.
   See {Bottle} a hollow vessel, {Butt} a cask.]
   1. An apartment in a house where butter, milk and other
      provisions are kept.

            All that need a cool and fresh temper, as cellars,
            pantries, and butteries, to the north. --Sir H.
                                                  Wotton.

   2. A room in some English colleges where liquors, fruit, and
      refreshments are kept for sale to the students.

            And the major Oxford kept the buttery bar. --E.
                                                  Hall.

   3. A cellar in which butts of wine are kept. --Weale.

   {Buttery hatch}, a half door between the buttery or kitchen
      and the hall, in old mansions, over which provisions were
      passed. --Wright.

Source : WordNet®

buttery
     adj 1: unpleasantly and excessively suave or ingratiating in manner
            or speech; "buttery praise"; "gave him a fulsome
            introduction"; "an oily sycophantic press agent";
            "oleaginous hypocrisy"; "smarmy self-importance"; "the
            unctuous Uriah Heep" [syn: {fulsome}, {oily}, {oleaginous},
             {smarmy}, {unctuous}]
     2: resembling or containing or spread with butter; "a rich
        buttery cake"
     n 1: a small storeroom for storing foods or wines [syn: {pantry},
           {larder}]
     2: a teashop where students in British universities can
        purchase light meals