projection box
noun
= projection room.
Origin
1920s; earliest use found in Iowa City Press-Citizen.
- the Bear
- the Beatitudes
- the beautiful game
- the beautiful people
- the Beehive
- the bee's knees
- the beginning of the end
- the benefit of the doubt
- the Berg
- the Bermudas
- Thebes
- the best-laid plans of mice and men gang aft agley
- the best of both (or all possible) worlds
- the best of three (or five etc.)
- the best (or the pick) of the bunch
- the best part of
- the better part of
- the better to ——
- the betting is
- the Bible
- the Big Board
- the big boys
- the Big C
- the Big Dipper
- the big enchilada