a recess or small room adjacent to or opening out of a room:
a recess in a room for a bed, bookcases, or the like.
any recessed space, as a bower in a garden.
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When, at that instant, he saw the curtain of the
British Dictionary definitions foralcove
a recess or niche in the wall of a room, as for a bed, books, etc
any recessed usually vaulted area, as in a garden wall
any covered or secluded spot, such as a summerhouse
Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
1670s, vaulted recess, from Frenchalcôve(17c.), from Spanishalcoba, from Arabical-qobbahthe vaulted chamber, from Semitic baseq-b-bto be bent, crooked, vaulted.