Spi·der web or  Spi·der's web . Zool. The silken web which is formed by most kinds of spiders, particularly the web spun to entrap their prey; -- also called cobweb. See Geometric spider, Triangle spider, under Geometric, and Triangle.
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  spider's web
       n 1: a web resembling the webs spun by spiders [syn: spider web]
       2: a web spun by spiders to trap insect prey [syn: spider web]