a dolphin erected as a daybeacon or daymark: a navigational marker indicating the bounds of a water channel

Synonym of 青虫 (aomushi): any butterfly or moth larvae that are colored green / (figuratively) Synonym of 養子 (yōshi): an adopted child

Synonym of 棺 (hitsugi, kan, “coffin; casket”)

example question

mausoleum

etiquette; courtesy

Euclid

the master of all things, the most powerful of beings, the lord of creation

a nice and auspicious month / the second month of the lunar calendar

assuming deliberately nice and courteous looks in order to curry favor with someone; wearing a sycophantic expression