Obsolete spelling of シカゴ (Shikago, “Chicago (a city in Illinois, United States)”)

古音: an ancient pronunciation of a word / 鼓音: a drum-like sound, caused by percussion or tapping of the body during a medical examination

a cone

corn, especially loose-kernel corn

a small mallet or hammer / (law, legislative) a wooden gavel

the ancients, ancient people

first wife (with a practice of polygamy)

a small shrine

copernicium

(physics) transverse wave