单词	trapdoor spider
释义	trapdoor spider noun variants or trap-door spider plural trapdoor spiders or trap-door spiders : any of various often large burrowing mygalomorph spiders (especially family Ctenizidae) that construct a tubular subterranean silk-lined nest topped with a hinged lid Trapdoor spiders dig burrows using a spiny rake mounted on their jaws, then line the burrow and the opening with silk. Richard and Joyce Wolkomir Tarantulas, trap-door spiders, and some other species still use their silk mainly for shelter … Richard Conniff Illustration of trapdoor spider trap-door spider Word History First Known Use 1826, in the meaning defined above
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