[dllthomas]

http://en.wikipedia.org/wiki/Second_breakfast

"It is traditional in Bavaria, in Poland, and in Hungary. In Bavaria or Poland, special dishes are made exclusively to be eaten during second breakfast."

[Surio]

IIRC, Czechs (and Slovaks too, perhaps) have something called "svacina" which fits this definition of a second breakfast.

There are other places in the world too that have this custom: http://en.wikipedia.org/wiki/Tiffin

[psykovsky]

In Portugal it's called "bucha".