(~s)
1.
A ~ of drink or food is the amount that you put or have in your mouth.
She gulped down a ~ of coffee...
N-COUNT: oft N of n
2.
If you describe a long word or phrase as a ~, you mean that it is difficult to say. (INFORMAL)
It’s called the Pan-Caribbean Disaster Preparedness and Prevention Project, which is quite a ~.
N-SING: a N