Buttery (room) definition

(1) Resembling or containing or spread with butter

"A rich buttery cake"

(2) Unpleasantly and excessively suave or ingratiating in manner or speech

"Buttery praise"

"Gave him a fulsome introduction"

"An oily sycophantic press agent"

"Oleaginous hypocrisy"

"Smarmy self-importance"

"The unctuous Uriah Heep"

"Soapy compliments"

(3) A teashop where students in British universities can purchase light meals

(4) A small storeroom for storing foods or wines