araneous
Webster's Unabridged Dictionary:
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A·ra·ne·ous
a. (ȧ*rā`nē̍*Ŭs)
[L. araneosus, fr. aranea spider, spider's web.]
Cobweblike; extremely thin and delicate, like a cobweb; as, the araneous membrane of the eye. See Arachnoid. Derham.
