n.
1.a crisis in which a desperate effort is the only alternative to defeat
2.a city in northern France on the North Sea where in World War II (1940) 330,000 Allied troops had to be evacuated from the beaches at Dunkirk in a desperate retreat under enemy fire
Idiom of the Day
hold on
to wait, to wait and not hang up the phone
I asked my friend to hold on while I looked for my address book.