Answer: SILL
SILL is a crossword puzzle answer that we have spotted 119 times.
    - Shades' stopping point
 
    - Window part
 
    - Threshold
 
    - Window feature
 
    - Place for a flowerpot
 
    - Framework piece
 
    - Window ledge
 
    - Place for a cooling pie
 
    - Housecat's perch
 
    - Pie-cooling spot
 
    - Place for a planter
 
    - Place to dust
 
    - Window base
 
    - Pie perch
 
    - Window box location
 
    - Spot for a warm pie
 
    - Place for a houseplant
 
    - Place for a catnap?
 
    - Planter's place
 
    - Window area
 
    - Sunny spot for a plant
 
    - Sunlit ledge
 
    - Part of a frame
 
    - It's often under glass
 
    - Pie-cooling ledge
 
    - Flower pot site
 
    - Knickknack site, maybe
 
    - Spot for a potted plant
 
    - Spot for a cooling pie
 
    - Place for a hot pie
 
    - Flowerpot's spot
 
    - Perch for pots or pies
 
    - Spot for potted herbs
 
    - Place for a hot pie to cool
 
    - Sash supporter
 
    - Houseplant spot
 
    - Flowerpot spot
 
    - Cat's resting spot
 
    - Cooling pie place
 
    - Herb-garden spot
 
    - Place for a plant
 
    - Plant place, perhaps
 
    - Pie-cooling place
 
    - Horizontal window piece
 
    - Shade's stopping point
 
    - Framework timber
 
    - Ledge beneath a window
 
    - Place for a pie to cool off
 
    - Plant shelf, maybe
 
    - Pie place, maybe
 
    - Housecat's perch, sometimes
 
    - Ledge
 
    - Where a pie might cool
 
    - Place for a pot
 
    - Plant or pie place
 
    - Spot for a pot
 
    - Houseplant place
 
    - Flowerpot locale, sometimes
 
    - Houseplant perch
 
    - Place for a potted plant
 
    - Potted plant spot
 
    - Housecat's hangout
 
    - Place for a pie
 
    - Sash neighbor
 
    - Door part
 
    - Window component
 
    - Cat's perch
 
    - Lowest part of a framework?
 
    - Spot for grandma's warm pie
 
    - Potted herb spot
 
    - Place for plants
 
    - Flower box location
 
    - Kitty's sunny sleeping spot
 
    - Cooling-off area
 
    - Place for a plant or a pie
 
    - Threshold of door
 
    - Cat's perch, perhaps
 
    - Place for a window box
 
    - Horizontal timber
 
    - Flowerpot location
 
    - Window part.
 
    - Grandma's pie perch
 
    - Many a sunlit ledge
 
    - Window frame
 
    - Piece under a door
 
    - Window frame part
 
    - Base of a window
 
    - It's under the window
 
    - Place to set a candle, maybe
 
    - Window or door part
 
    - Oklahoma fort
 
    - Place for an aloe
 
    - Place for some plants
 
    - Spot for a dozing cat, maybe
 
    - Place for a pie to cool
 
    - Feline sunning spot
 
    - Sunny spot for a houseplant
 
    - Spot for a flowerpot
 
    - Poet who wrote "Opportunity"
 
    - Cat's sunning spot, perhaps
 
    - Spot for a houseplant
 
    - Spot for a plant
 
    - Sunny spot for a potted plant
 
    - Dormer part
 
    - Perch for a pie
 
    - Cat's hangout
 
    - Cat's sunning spot
 
    - Flower pot holder
 
    - Place to grow some herbs
 
    - Place for an herb box
 
    - Wood beside a window
 
    - Ledge for a houseplant
 
    - Flowerbox place
 
    - Succulent spot
 
    - Common spot for a houseplant
 
    - Sunny window spot for a cat
 
    - Place to keep plants
 
    - Perch for a plant or a pie
 
    - Place for a flower box