Seven-__ cake (5)
I believe the answer is:
layer
(Other definitions for layer that I've seen before include "Stratum or thickness" , "Single thickness and hen" , "(Separate) level" , "One producing eggs" , "Stratum; chicken" .)
I believe the answer is:
layer
(Other definitions for layer that I've seen before include "Stratum or thickness" , "Single thickness and hen" , "(Separate) level" , "One producing eggs" , "Stratum; chicken" .)