What is Canteen?
1.
A type of portable jar (complete with a cap) able to hold much water, and only water.
"The military uses water canteens which are put into pouches. Or should I say they used to. Now there is a straw beside them which allows them to move their lips sideways to slurp. Kinda nice, not to mention hi-tech, but let's hope it doesn't foster laziness."
-me
See
2.
The lunch room for the guy at the depot. The canteen is now Dum Dums (who is from
"Guy, we have a viande in the Cantsteens today, because some guy steal from the cantsteens and some other guy put the toass in the wrong slots!"