So square, man …

noun

1. An open cargo container of a vehicle
2. Coffin
3. The contents of a box especially as a measure of quantity
4. An enclosed group of seats for spectators (as in a theater or stadium)
5. A cell for holding mail
6. Penalty box
7. A driver's seat on a carriage or coach
8. Box stall
9. A usually self-contained piece of electronic equipment
10. Television
11. A signaling apparatus

    "alarm box"

12. An automobile transmission
13. A gift in a box
14. Boom box
15. A space on a page for printed matter or in which to make a mark
16. Any of six spaces on a baseball diamond where the batter, coaches, pitcher, and catcher stand
17. The intersection of two roads especially when treated as an area where vehicles are prohibited from stopping because doing so would interfere with traffic flow

    "Don't block the box."

18. The limitations of conventionality

    "trying to think outside the box"

19. A cubical building
20. Cup

    "I like to use a pair of trousers which have a lot more room in them so that they give me far more freedom of movement. They also make it easier to put in a thigh pad and box."

21. Predicament, fix