大刀: long sword

大文, 大紋: a type of 直垂 (hitatare) clothing with a family or clan coat of arms displayed prominently / 大門: a large gate; a family of high social standing / 代紋: a yakuza coat of arms

懈怠: spiritual sloth; laziness

𱁬: The meaning of this term is uncertain.

大都市: a metropolis, a large city

お大事に: get well soon, take care of yourself

代理: surrogation, proxy

cytology

anatomy (art of studying the different parts of any organized body)

human anatomy