バカ穴

ばかあなbakaana

noun

  1. clearance hole (hole for a bolt, screw, etc., which is large enough to allow the thread, etc. to pass through)

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences