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

1.
トタテグモ
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.
トタテグモは獲物が通り過ぎるのを辛抱強く待った。
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You can often find the burrows of trap-door spiders in sandy soil.
トタテグモの巣穴は砂地に多く見られます。