In the Army it's the latrine.

Kia Ora,

Many moons ago I worked in an hospital as an orderly/porter/cleaner, a friend was looking for work so I got him a job there...After which I told him  "You could do worse ...It's not a '->-bleeped-<-house' job !" but alas his first duty was cleaning the toilets...How ironic...But we did end up having a good laugh about it   

Metta Zenda

We all forget that outhouses are stil in use Best place to be if nature calls is in nature.
Squat between the pines so lovely in summer.

Yes it is Tracey and in the Marine core it is a head LOL 
I once read on the wall of a head that the joke is in your hands ...... now I get it because I squat LOL 
Love ya peace out