al·cove /ˈælˌkov/
  凹室,壁櫥,小亭
  Al·cove n.
  1. Arch. A recessed portion of a room, or a small room opening into a larger one; especially, a recess to contain a bed; a lateral recess in a library.
  2. A small ornamental building with seats, or an arched seat, in a pleasure ground; a garden bower.
  3. Any natural recess analogous to an alcove or recess in an apartment.
     The youthful wanderers found a wild alcove.   --Falconer.
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  alcove
       n : a small recess opening off a larger room [syn: bay]