Movable household equipment such as tables, chairs, beds, et cetera.
Definition source: Chambers 21st Century Dictionary

Are there finds from furniture dating back to the Lake Dwelling Times and how did they look like (DE)?

Yes. We know rests from chairs, beds as well as racks, both from the Stone Age as the following Bronze Age. They were not at all worked as artistically as the furniture from the Mediterranean we know from the same era or from the Near East. They are more the results of sound craftsmanship...