たこつぼ

noun

octopus pot

A traditional earthenware pot used to trap octopuses. The octopus enters the pot and is then pulled up.

• 漁りょう師しは海うみに蛸たこ壺つぼを沈しずめた。

  The fisherman lowered an octopus pot into the sea.

noun

foxhole

Military slang for a small, one-person defensive pit, likened to an octopus pot. Used especially in WWII contexts.

• 兵へい士しは蛸たこ壺つぼに隠かくれて敵てきの攻こう撃げきをやり過すごした。

  The soldier hid in a foxhole and waited out the enemy attack.

noun

echo chamber; bubble

Metaphorical use: a closed environment where only similar opinions are heard, reinforcing one's own views. Often used in social media or political contexts.

• SNSは時ときに蛸たこ壺つぼのような閉へい鎖さ的てきな空くう間かんになる。

  Social media can sometimes become a closed space like an echo chamber.