[ buht-er-kreem ]
/ ˈbʌt ərˌkrim /


a vanilla-flavored cake frosting or filling made principally of softened butter and powdered sugar.
a similar mixture used as a filling for bonbons or to flavor ice cream.

Origin of buttercream

First recorded in 1950–55; butter + cream
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for buttercream