Definitions:
a boat or raft used to store supplies by loggers during a river drive, and sometimes containing cooking, eating, and sleeping facilities.

(chiefly maine regional). stores, provisions, or equipment for camping or lumbering.

a storage chest or box, especially one in a canoe.

a temporary camp, building, or other shelter set up as a place for loggers to eat, sleep, or rest during a river drive.

(chiefly alaska). a cabin mounted on runners which can be dragged over snow or ice.

an extension built on to a trailer or mobile home.