| Noun | 1. | barn spider - an orange and tan spider with darkly banded legs that spins an orb web daily; "the barn spider was made famous in E. B. White's book `Charlotte's Web'"spider - predatory arachnid with eight legs, two poison fangs, two feelers, and usually two silk-spinning organs at the back end of the body; they spin silk to make cocoons for eggs or traps for prey Aranea, Araneus, genus Aranea, genus Araneus - a genus of orb-weaving spiders including common garden spiders and barn spiders |