Folding chair and Lawn chair

Folding chair noun - A chair that can be folded flat for storage.

Lawn chair and folding chair are semantically related In some cases you can replace phrase "Lawn chair" with "Folding chair", this phrases are similar.

Lawn chair noun - Chair left outside for use on a lawn or in a garden.

Folding chair and lawn chair are semantically related in folding seat for outdoors topic. You can use "Folding chair" instead a noun phrase "Lawn chair".