buttery

nouns

a small storeroom for storing foods or wines
a teashop where students in British universities can purchase light meals
is a type of (narrower)
a restaurant where tea and light meals are available

adjectives

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"
resembling or containing or spread with butter
"a rich buttery cake"
is derived from
is similar to
containing or composed of fat
"fatty food"; "fat tissue"