tusk; fang
Refers to long, pointed teeth of animals such as elephants, boars, or snakes. Can also be used figuratively for sharp, aggressive qualities.
An elephant's tusks are very long.
Even the baby wild boar has started growing small tusks.
The snake injects venom into its prey with its fangs.
He seems calm on the surface, but he hides his fangs underneath.
歯 refers to a normal tooth found in humans and most animals, while 牙 specifically means a fang or tusk used for grasping or defense.
牙 is the general word for a fang or tusk on any animal, while 象牙 refers specifically to the ivory material taken from an elephant's tusk.
牙 refers to a fang or tusk projecting from the mouth, whereas 角 refers to a horn or antler growing from the head.
Used because a fang (牙) is long and thin, like other objects counted with 本.
Standard kanji spelling; the reading きば is the most common modern pronunciation.
Katakana spelling is occasionally used for emphasis or in stylized contexts.
Kana spelling is sometimes used for clarity or in children's materials.
The kanji 牙 is a pictograph of an animal's tusk or fang. The reading きば is the native Japanese word, while き is an older, now obsolete reading.