Answer:

sill

AnswerCrossword Clue
SILLWindow part
SILLSpot for a houseplant
SILLPlace to grow some herbs
SILLPerch for a pie
SILLWindow ledge
SILLSpot for a flowerpot
SILLSash supporter
SILLPlace for a pie to cool
SILLWindow base
SILLFlowerpot spot
SILLPlace for a potted plant
SILLPlace for a window box
SILLHousecat's perch
SILLSpot for a pot
SILLPlace for a pot
SILLPlace for a hot pie to cool
SILLIt's often under glass
SILLPart of a frame
SILLSunlit ledge
SILLPlace for a houseplant
SILLWindow area
SILLSunny spot for a plant
SILLPlanter's place
SILLPlace for a catnap?
SILLThreshold
SILLWindow feature
SILLSpot for a warm pie
SILLWindow box location
SILLPie perch
SILLPlace to dust
SILLPlace for a planter
SILLPie-cooling spot
SILLFramework piece
SILLPlace for a flowerpot
SILLShades' stopping point
SILLFoundation timber
SILLDust collector?