octopus pot
A traditional earthenware pot used to trap octopuses. The octopus enters the pot and is then pulled up.
漁師は海に蛸壺を沈めた。
The fisherman lowered an octopus pot into the sea.
foxhole
Military slang for a small, one-person defensive pit, likened to an octopus pot. Used especially in WWII contexts.
兵士は蛸壺に隠れて敵の攻撃をやり過ごした。
The soldier hid in a foxhole and waited out the enemy attack.
Metaphorical use: a closed environment where only similar opinions are heard, reinforcing one's own views. Often used in social media or political contexts.
Social media can sometimes become a closed space like an echo chamber.
Octopus; たこつぼ is the pot used to catch octopuses, not the animal itself.
Kana spelling is standard; the word is usually written in kana.
Kanji spelling using 蛸 (octopus) and 壺 (pot). Less common but still seen.
Katakana spelling; search-only as it is not a common written form.
Mixed kanji-katakana spelling. Sometimes used for clarity or style.
Search-only variant using the older 壷 form.
Compound of 蛸 (tako, 'octopus') and 壺 (tsubo, 'pot'). The metaphorical senses derive from the shape and function of an octopus pot: a narrow, enclosed space that traps its occupant.