fettuccine Alfredo
noun
fettuccine Al·fre·do -(ˌ)al-ˈfrā-(ˌ)dō 
-(ˌ)äl-
variants or fettuccini Alfredo or fettucine Alfredo or fettucini Alfredo or less commonly fettuccine all'Alfredo
-ˌal-(ˌ)al-ˈfrā-(ˌ)dō
-ˌäl-(ˌ)äl-
: a dish consisting of fettuccine with butter, Parmesan cheese, cream, and seasonings
Word History
Etymology
from Alfredo all'Augusteo, restaurant in Rome where it originated
First Known Use
1961, in the meaning defined above