trap-door spider
US /ˈtræp.dɔːr ˌspaɪ.dər/
UK /ˈtræp.dɔːr ˌspaɪ.dər/

1.
aranha-alçapão
a spider that constructs a burrow in the ground with a hinged lid, which it uses to ambush prey
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The trap-door spider waited patiently for its prey to pass by.
A aranha-alçapão esperou pacientemente que sua presa passasse.
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You can often find the burrows of trap-door spiders in sandy soil.
Você pode frequentemente encontrar as tocas de aranhas-alçapão em solo arenoso.