Answer:

layer

AnswerCrossword Clue
LAYERHen
LAYERCake part
LAYERStratum
LAYERMason at work
LAYERMother hen in action
LAYERSedimentary-rock feature
LAYERMake into a parfait, say
LAYERSeven- ... cake
LAYERTier
LAYERPly
LAYERAdded cold protection
LAYERHen, vis- -vis eggs
LAYERCoating
LAYERCoat
LAYERKind of cake
LAYERWorking hen
LAYERCake feature
LAYERPut one on top of the other
LAYERCake component
LAYERType of cake
LAYERCake tier
LAYERPiece of cake?
LAYERCoat of paint, for one
LAYEREarth's core, mantle, or crust
LAYERGrowth ring, e.g.
LAYERCake segment
LAYERHen, often
LAYERProductive hen
LAYERWedding cake section
LAYEREgg producer
LAYERCold-weather-wear unit
LAYERPlywood feature
LAYERCake section
LAYERPiece of cake
LAYERAtmosphere component
LAYERCoat of paint
LAYERSeven-.. cake
LAYERCake stratum
LAYERIonosphere, e.g.
LAYERWedding-cake feature