Lean-to and Wigwam

Lean-to noun - Rough shelter whose roof has only one slope.

Wigwam and lean-to are semantically related. In some cases you can use "Wigwam" instead a noun phrase "Lean-to".

Wigwam noun - A Native American lodge frequently having an oval shape and covered with bark or hides.

Lean-to and wigwam are semantically related. Sometimes you can use "Lean-to" instead a noun "Wigwam".