A golden orb weaver spider has striped legs and a white sword shape on its back. This spider is found in most of the United States.
Zebra.
black with a white stripe down the back
The Khopesh sword is named after the Egyptian word "ḫpš," which means "leg." The sword's distinctive shape, with a curved blade that sweeps forward and then curves back sharply near the tip, resembles a leg bending at the knee.
ostrich
Could be the Green Lynx Spider
It's probably from the white poplar.
back then in Bible times...yes
It sounds like you might be describing a Spinybacked Orb-weaver spider (Gasteracantha cancriformis). This species is known for its unique appearance with four white spots on its abdomen and striped legs. They are relatively harmless to humans and are commonly found in North and South America.
Two examples of striped animals are the zebra, known for its iconic black and white stripes, and the chipmunk, which has distinct stripes down its back.
The Verreaux's (Black) eagle has a distinctive white V shape on their backs.
The spider you are describing is the Golden Silk Orb Weaver spider (Nephila clavipes). It is known for its large size, distinctive shape like a shield, golden yellow color, and unique back spikes. It is also recognized by its brown and yellow striped legs.
The unique physical features that distinguish a spider with a silver back and striped legs from other arachnids are its specific coloration pattern of a silver back and striped legs. This distinct color combination sets it apart from other spiders and arachnids.