Niche

(n.) A cavity, hollow, or recess, generally within the thickness of a wall, for a statue, bust, or other erect ornament. hence, any similar position, literal or figurative.

Thesaurus Entries

alcove, asylum, bay, bolt-hole, cache, carrel, concealment, corner, cove, cover, covert, coverture, cranny, cubby, cubbyhole, cubicle, dark corner, den, dugout, foxhole, funk hole, hideaway, hideout, hidey hole, hiding, hiding place, hole, hollow, inglenook, lair, nook, oriel, pitchhole, place, position, recess, recession, refuge, retreat, roomlet, sanctuary, secret place, slot, snuggery, stash, undercovert