| http://www.w3.org/ns/prov#value | - I think that a plane that does this type of flying is referred to as a hedgehopper.3. quadruped: a four-footed animal, creature, or machine (noun or adjective)While many animals are quadrupeds, humans, birds, crustaceans, snakes, and insects are not quadrupeds, although there are a few exceptions.
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