Synonyms and related words :
arbor, bay, belvedere, bower, carrel, conservatory, corner, cove, cranny, cubby, cubbyhole, cubicle, gazebo, glasshouse, greenhouse, inglenook, kiosk, lathhouse, niche, nook, oriel, pagoda, pergola, pitchhole, recess, recession, retreat, roomlet, snuggery, summerhouse,