cupful

/ˈkʌp̪fl̩/

Etymology

From Middle English copful, copfull, cupfulle, cuppefulle, equivalent to cup + -ful. Cognate with Saterland Frisian Kopful (“cupful”), West Frisian kopfol (“cupful”).

noun

The amount necessary to fill a cup.“Add a cupful of milk to the sauce.”
A half pint, i.e. eight ounces