latrine
/ˈlætraɪn, ˈlætriːn/Definitions
1. noun
A simple toilet or lavatory, especially in a camp or military setting.
“The campsite had a latrine nearby, but it was not well-maintained.”
2. verb
To relieve oneself in a toilet or lavatory, especially in a camp or military setting.
“After hiking for hours, we had to latrine in the woods.”