(literally) a black-feathered bird / (archaic) Synonym of 黒鴨 (kurogamo, “common scoter”) / (archaic) a black chicken

(archaic, literally) a black-feathered bird / a black swan, specifically Cygnus atratus

bad luck, inauspiciousness

inauspicious, ominous

tradition / legend / folklore

symbolize

symbol

(archaic) antique, old-fashioned / (colloquial) ancient

ancient times, antiquity, remote ages

四日: four days, fourth day of the month / 翼果: samara; winged seed (ash, maple, etc.) / 翼下: underwing (especially of an aircraft); under one's wing; under one's control