歯 means “tooth”

は · ha

Also: cog

Kun'yomi (Japanese reading)
よわい, は, よわいする
On'yomi (Chinese reading)
シ

JLPT N4 · Taught in grade 3 · 12 strokes

The story

Rows of enamel guard the gate: teeth grind rice, shape words, and flash in smiles that cross every cultural boundary.

Used in 歯医者 (haisha, dentist) and 歯磨き (hamigaki, brushing teeth)

More from Body & Health

Learn 歯 and more kanji free on Fuji Learning · All kanji

Readings from KANJIDIC2, © EDRDG, CC BY-SA.