角

cerastes; horned viper; horned adder

Proverb

harsh words make the going rough; consider your words; a round egg can be cut into a square

Astronomy

Triangulum Australe (constellation); the Southern Triangle

Historical term

ancient triangular-rimmed mirror decorated with gods and animals

Historical term

octagonal burial mound (Kofun period)

Rare term

horn (of a cow)

Rare term

bighorn sheep (Ovis canadensis)

sound of a horn announcing daybreak

Rare term

anat promontory; promontory

Rare term

triceratops (dinosaur)

Sumo

wrestling outside the formal tournaments; wrestling just for fun

leaves used for serving or offering sake, rice, etc.

Obsolete term

arachnids

rhinoceros horn

hiragana character "i"; hiragana character "hi"

Rare term

stick with deer antlers attached (used by monks as a walking stick)