triangle spider

noun

Definition of triangle spider

: a small American spider (Hyptiotes cavatus) that lives among the dead branches of evergreen trees, constructs a triangular web usually composed of four radii crossed by a double elastic fiber, holds the thread at the apex of the web, and stretches it tight but lets go and springs the net when an insect comes in contact with it

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triangle of Scarpa

triangle spider

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Cite this Entry

“Triangle spider.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triangle%20spider. Accessed 25 Oct. 2021.

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