Thin mat, mat or mat for military use. Makeshift shack or house. A way of defining an unseemly place. Bed or makeshift dwelling.
Military mat
charnaque is incorrectly written and should write it as "Charnaques" being its meaning: Structure with perforated surface ( 41 plastic; to separate from the floor ( 2 or 3 cm ) a flat surface, in a covered place ( by a modular tent / shelter improvised ) in which a ground is unpaved. Widespread use in the field military to improve soils of 34 shops; life 34 zones; in mobile military camps.
Wood flooring made by boards nailed on battens thick, about 60 x 60 cm, which, forming a group of three, compose a kind of mattress on which prepares the jergon, marfega or mat. It was used in military camps